President Cristina Fernández de Kirchner harshly criticized US Republican candidate Mitt Romney and affirmed that she is "more alike" the current head of state, Democrat Barack Obama, who is running for reelection.
The US presidential election votes counts had an intense aftermath in Twitter, as the social network registered more than 11 million tweets over the election a few hours after the polls closed in the East Coast.
Romney, closeted with advisers in Boston, did not immediately concede defeat because of questions about whether Obama had really won the pivotal state of Ohio. But he later went live on national television to congratulate Obama.
Republican Mitt Romney fell short in his White House bid but he got a consolation prize of sorts today as US President Barack Obama had him over for lunch in an attempt to display some political harmony in the bitterly divided capital.
On election day and in the last hours of voting, President Barack Obama followed an old tradition while his rival Mitt Romney was still campaigning.
By Adrián Bono, Special Correspondent in NY.
If there was any doubt that the US presidential fight hinges on Ohio, an awkward campaign airplane traffic jam at the Cleveland airport made it clear today.
The health of the US economy has been central to the campaign for the White House, with both President Barack Obama and Republican challenger Mitt Romney seeking to convince voters they have a plan to usher in faster growth and job creation.
Republican presidential challenger Mitt Romney cast his vote in a Boston suburb this morning, saying he felt good about his chances of winning the presidency.
President Barack Obama congratulated Republican rival Mitt Romney for running a hard-fought race for the White House and expressed confidence he would win re-election during a stop at a local campaign office to thank volunteers.
A housing crisis loomed in New York City as victims of superstorm Sandy struggled without heat in near-freezing temperatures on Sunday and nearly 1 million people in neighboring New Jersey shivered in the dark without power.
The race for the White House remained in essentially a dead heat ahead of Tuesday's election but US President Barack Obama holds a slim edge over Republican candidate Mitt Romney in the key state of Ohio, according to a Reuters/Ipsos daily tracking poll released today.
An emotional President Barack Obama ended his final campaign in Iowa, the place that launched his first White House bid and that could hold the key to his political future.
US President Barack Obama and Republican Mitt Romney briefly put aside their fierce battle for the White House, as they avoided politics to focus on relief efforts after mammoth storm Sandy left millions of citizens struggling to recover.
US presidential contender Mitt Romney came on stage today after the Labor Department announced new jobless figures. The Republican said the US economy was at a "virtual standstill" while the White House stressed the economy was continuing to heal.
Republican Mitt Romney and President Barack Obama hopscotched across the country on Saturday in a final push to squeeze out victory from the handful of states that will decide Tuesday's presidential election.
US President Barack Obama and Republican challenger Mitt Romney clashed over US military strength and how to deal with crises in the Middle East in a third and final debate as polls showed them in deadlock two weeks before the Nov. 6 election.
President Obama scored a clear two-to-one victory against Mitt Romney during the final presidential debate, according to an instant poll of uncommitted voters.
US President Barack Obama predicted passage of immigration reform and a deficit-reduction deal, offering a fresh glimpse of his second-term agenda as he fights for votes in the final stretch of the tight race for the White House.
US Republican presidential challenger Mitt Romney and his allies raised $170.5 million in September, the campaign said, falling just short of the 2012 fundraising record set last month by Democratic rival President Barack Obama.
US President Barack Obama and Republican rival Mitt Romney clashed repeatedly on jobs, energy and Libya in their second debate, with Obama moving aggressively to challenge his opponent.
US voters say that President Barack Obama performed better than Republican rival Mitt Romney by a substantial margin in their second debate, according to a Reuters/Ipsos poll released on Wednesday.
Plans to save Big Bird, the fuzzy yellow character on US public television's "Sesame Street," from possible extinction are taking shape in the form of a puppet-based protest next month dubbed the "Million Muppet March."
Republican presidential candidate Mitt Romney today accused President Barack Obama of failing to "stand up to China" after the US Treasury put off releasing a politically sensitive report on the currency policies of major US trading partners.
President Barack Obama and Republican challenger Mitt Romney are neck and neck in opinion polls, but there is one area in which the incumbent appears to have a big advantage: those who have already cast their ballots.
Republican Mitt Romney has erased US President Barack Obama's advantage in the race for the White House and the two candidates are now tied among likely voters, according to a Reuters/Ipsos tracking poll released.
Republican challenger Mitt Romney has extended his lead over President Barack Obama to 3 percentage points, according to a Reuters/Ipsos tracking poll released today, ahead of a high-stakes debate between the two candidates' running mates.
Joe Biden's spirited performance in the vice presidential debate had Republicans criticizing him for snide grins and a comment on Libya, but it set the stage for President Barack Obama to try to regain his footing during a rematch with challenger Mitt Romney next Tuesday.
Mitt Romney battled back in his uphill drive to oust President Barack Obama with an aggressive debate performance that put his campaign on a more positive footing after weeks of stumbles and knocked Obama off-stride.
According to a new poll, Republican presidential candidate Mitt Romney stayed within striking distance of President Barack Obama, two-points behind the Democrat for the third straight day after winning last week's debate in Denver.
Republican presidential candidate Mitt Romney delivered a sweeping critique of US President Barack Obama's handling of threats in the Middle East, saying Obama's lack of leadership had made the volatile region more dangerous.
By Adrián BonoIn an interview with the BuenosAiresHerald.com, former John Mc Cain presidential campaign manager and Republican strategist Steve Schmidt says that despite a recent series of faux pas in the Romney camp, the presidential race is far from over.
Vice President Joe Biden and Republican rival Paul Ryan sought votes in political battleground states today while their running mates took a day off the campaign trail ahead of a potentially make-or-break debate next week.
Mitt Romney accused US President Barack Obama on Wednesday of promoting "trickle-down government" policies that are burdening the US economy, as the Republican candidate sought to use a high-stakes debate to right his struggling campaign before the Nov. 6 presidential election.
President Barack Obama accused Mitt Romney of having a tendency "to shoot first and aim later" in response to the Republican candidate's criticism of the White House for its handling of violent attacks on US diplomatic compounds in Libya and Egypt.
Republican presidential candidate Mitt Romney criticized President Barack Obama's handling of foreign policy after four Americans were killed in Libya, saying the United States seems at the mercy of world events.
Already reeling from a secret video showing him deriding 47 percent of the US electorate, Republican Mitt Romney's campaign hit more trouble when new images surfaced in which he accused Palestinians of not wanting peace.
Republicans formally nominated Mitt Romney to challenge President Barack Obama for the White House, kicking off their storm-delayed convention with a barrage of sharp attacks on Obama's economic leadership.
President Barack Obama tried to bolster his re-election campaign today with a fierce critique of the Republicans' convention and a plea to supporters to cast their ballots as early as possible.
President Barack Obama remained ahead of Republican presidential challenger Mitt Romney in a poll released on Sunday, maintaining a boost in popularity that followed the Democratic National Convention.
US Republican presidential candidate Mitt Romney attacked President Barack Obama again for running a campaign that was "all about division and attack and hatred."
US President Barack Obama slammed Republicans over taxes and women's rights in a surprise appearance in the White House briefing room that was meant to undercut his rivals on what was already a bad news day for them.
Forget the loud music, cheering crowds and funny hats. Instead of opening with a bang as originally planned, Mitt Romney's Republican convention started with a whimper on Monday as party leaders staged a low-key session while Tropical Storm Isaac churned through the Gulf of Mexico.
Republican presidential candidate Mitt Romney took vice presidential running mate Paul Ryan home to a tearful welcome in Wisconsin in a celebratory event that produced a flash of anger from Romney over what he considers dishonest campaigning by President Barack Obama.
CNN's Candy Crowley will become the first woman in 20 years to moderate a US presidential debate when she questions US President Barack Obama and his Republican rival Mitt Romney in October.
Republican Mitt Romney vowed to step up coal production and US President Barack Obama mocked him for opposing a windmill tax credit, in a rare debate over energy policy on the campaign trail.
US Republican presidential candidate Mitt Romney and the Republican National Committee raised $101.3 million in July, once again outpacing President Barack Obama and Democrats with a big month of financial strength ahead of the Nov. 6 election.
US Republican presidential candidate Mitt Romney opened a new line of attack on President Barack Obama for waiving parts of a landmark welfare-to-work law, but Obama's team argued Romney had backed a similar move as Massachusetts governor.
US citizens are increasingly pessimistic about the future but voters do not seem to be holding it against Democratic President Barack Obama, who slightly expanded his lead over Republican rival Mitt Romney this month, a new Reuters/Ipsos poll says.
Palestinians accused US Republican presidential candidate Mitt Romney of undermining peace prospects by calling Jerusalem "the capital of Israel", ignoring their own claims to the city and most world opinion.
Republican presidential candidate Mitt Romney said that a fresh round of monetary stimulus from the Federal Reserve would not help the fragile US economy.
US President Barack Obama said that mass killings like the weekend shooting rampage at a Sikh temple in Wisconsin were happening with "too much regularity" and should prompt soul searching by all Americans on ways to reduce gun violence.
Republican presidential candidate Mitt Romney accused President Barack Obama of weakness in the face of US adversaries and promised he would be firm against Iran and China as he prepares to head overseas to boost his foreign policy credentials.
US Republican presidential candidate Mitt Romney's high-profile overseas trip got off to a rocky start when he was forced to clarify a comment seen as criticizing London's handling of the Summer Olympics that he came to celebrate.
US Republican candidate Mitt Romney, presenting himself as Israel's best friend in the Nov. 6 presidential election, said that "any and all measures" must be used to keep Iran from developing a nuclear weapon.
US President Barack Obama will not apologize to Republican presidential candidate Mitt Romney for raising questions about his tenure and the timing of his departure from private equity firm Bain Capital, the Democrat said in an interview published.
Venezuelan President Hugo Chávez compared his election rival to "far-right" US presidential hopeful Mitt Romney, saying both men wanted to subjugate the country under capitalism and crush his socialist "revolution."
Republican presidential candidate Mitt Romney gingerly returned to the presidential race, telling a San Francisco fundraiser that he would not be "as partisan."
Republican presidential candidate Mitt Romney was booed by an African-American crowd when he told them he would eliminate President Barack Obama's signature policy achievement, the US healthcare overhaul.
US Republican presidential candidate Mitt Romney demanded President Barack Obama apologize for his campaign's assault over Romney's time at a private equity firm that outsourced US jobs, as he tried to recover from a week-long pounding on the issue.
President Barack Obama, soaked to the skin as he rallied supporters during a downpour in the election battleground state of Virginia today, kept up his attack on Republican Mitt Romney as the rhetoric hardened on both sides.
When the Supreme Court upheld President Barack Obama's healthcare law as constitutional last week, it gave a little something to his Republican foes: The court declared that the fee charged to most Americans who refuse to buy health insurance amounts to a tax - and not a penalty, as Obama says.
President Barack Obama's campaign and top Democrats called on Mitt Romney to release more personal tax records and raised questions about his offshore assets that the Republican challenger's campaign condemned as an "unseemly and disgusting" character assault.
President Barack Obama expanded his lead over Republican challenger Mitt Romney to 6 percentage points in the White House race this month as voters became slightly more optimistic about the economy, a Reuters/Ipsos poll showed.
Mitt Romney clinched the US Republican presidential nomination with a resounding victory in Texas and now faces a five-month sprint to convince voters to trust him over Democratic President Barack Obama in the Nov. 6 election.
US President Barack Obama stoutly defended his economic record after a stream of bad news - and an uncharacteristic verbal misstep of his own - rallied Republican hopes that they can defeat him in November.
Mitt Romney made a campaign stop with Governor Scott Walker in Wisconsin and said Americans can "learn a lot" from the Republican who survived a Democratic recall effort two weeks ago.
President Barack Obama held his first political rallies of the 2012 presidential race today, targeting two swing states that could be critical to his bid to retain the White House.
US Republican presidential candidate Ron Paul effectively ended his White House bid, saying he would no longer campaign actively in states that have yet to hold primary elections.
Republican presidential hopeful Mitt Romney won his party's primary in Kentucky and took a commanding lead in Arkansas, as he got closer to clinching the GOP nomination, official tallies showed.
President Barack Obama poked fun at his likely presidential rival Mitt Romney and Republican opponents in Congress, including a dig at Romney's treatment of a pet dog, at the annual White House Correspondents' Association dinner.
Republican presidential candidate Mitt Romney said on Monday he definitely would have ordered the US military strike that killed al Qaeda leader Osama bin Laden if he had been president.
US Republican Mitt Romney's foreign policy spokesman, Richard Grenell, has resigned after only a brief stint on Romney's presidential campaign.
Mitt Romney made a leap toward winning the Republican presidential nomination with a clean sweep of Wisconsin and two other primaries that handed a heavy defeat to main rival Rick Santorum.
US Popular Florida Senator Marco Rubio campaigned with Mitt Romney, increasing speculation that the conservative Cuban-American might be high on the Republican presidential front-runner's list of potential vice presidential running mates.
White House candidate Mitt Romney kept his focus on attacking President Barack Obama's handling of the economy, in the face of Democrats' attempts to paint the Republican hopeful as weak on national security.
US Republicans Mitt Romney, Rick Santorum and Newt Gingrich faced off in a pair of high-stakes Deep South presidential primaries, and early results showed very tight races in both Mississippi and Alabama.
Republican presidential hopeful Mitt Romney was sweeping to victory in his party's primary in Puerto Rico on Sunday, bolstering his position as front-runner in the race to determine who will face Democratic President Barack Obama in the November 6 election.
As Mitt Romney sought to land a knockout blow against Rick Santorum in the race for the Republican US presidential nomination, the difficulty of a general election matchup against US Democratic President Barack Obama became clearer.
Rivals Mitt Romney and Rick Santorum made their final pitch for support in the vital battleground state of Ohio, the day before 10 states hold Super Tuesday nominating contests that could be pivotal in an unpredictable Republican presidential race.
Mitt Romney notched early wins as he fought to establish his dominance in the race for the Republican US presidential nomination but looked unlikely to score a knockout blow that would force any of his rivals from the contest.
US President Barack Obama dedicated part of his statement to wish “good luck” to the ex governor of Massachusetts, Mitt Romney, in the midst of the “Super Tuesday,” the biggest day in the Republican campaign.
Mitt Romney declared himself the Republican presidential candidate with "the only chance" to defeat President Barack Obama as he seized on signs that rival Rick Santorum's grip on Michigan appears to be slipping.
US Republican presidential candidate Mitt Romney accused rival Rick Santorum of trying to "kidnap" Michigan's Republican presidential contest as he faced the possibility of a humiliating defeat in the Rust Belt state where he grew up.
Ann Romney gets it. She is aware that her husband, Republican presidential front-runner Mitt Romney, has an image problem. Critics say he often seems stiff and reserved on the campaign trail, and has difficulty connecting with voters.
Republican Newt Gingrich vowed to press ahead with his struggling presidential bid after a big loss in Nevada, saying he will focus on drawing a contrast with "timid" rival Mitt Romney.
President Barack Obama, bolstered by a stronger economic outlook and recent job growth, would win in a match-up against the two leading Republican presidential candidates Mitt Romney and Newt Gingrich, a poll today showed.
Rivals heaped criticism on surprise front-runner Rick Santorum in a debate among Republican presidential candidates, hoping to stall his surge at a pivotal period in the 2012 campaign.
A confident Mitt Romney solidified his lead in Florida polls and ridiculed Republican rival Newt Gingrich on Monday, calling his opponent's attacks "sad" and "painfully revealing" the day before the state's crucial presidential primary.
Real estate mogul Donald Trump re-injected himself and his wealth into the Republican presidential race by endorsing Mitt Romney, a day after the front-runner stumbled with remarks suggesting he was indifferent to US' poor.
With a huge lead in polls, Republican front-runner Mitt Romney appeared poised for an easy win in Nevada on Saturday that would put him in firm command of the party's see-sawing presidential nominating race.
Newt Gingrich and Mitt Romney opened a debate that had the makings of a raucous encounter between increasingly bitter rivals five days before Florida's pivotal Republican presidential primary vote.
Republican presidential hopeful Mitt Romney took the fight to chief rival Newt Gingrich in his most aggressive debate performance yet, five days ahead of Florida's primary vote.
Republican White House hopeful Mitt Romney's lead over rival Newt Gingrich edged up to 12 percentage points in Florida, according to an online poll results on Sunday, as Romney's front-runner status stabilized and Gingrich continued to slip.
Mitt Romney took a crucial step toward the Republican presidential nomination as he scored a solid victory in New Hampshire despite blistering attacks on his record as a businessman.
US President Barack Obama called for higher taxes on the rich and new remedies for the US mortgage crisis in a starkly populist State of the Union address aimed at convincing voters to give him a second term.
Republican presidential contender Newt Gingrich called for a base on the moon and an expanded federal purse for prize money to stimulate private-sector space projects.
Republican rivals Rick Perry and Mitt Romney exchanged sharp blows over who has the better job-creating record in a fiery presidential candidate debate that will help shape the 2012 race.
Mitt Romney, a former venture capitalist who is the Republican presidential front-runner in the US, derided the Occupy Wall Street movement as seeking "scapegoats" and risking dividing the country.
Mitt Romney has a growing lead in the race for the 2012 Republican presidential nomination, and almost half of the party's voters expect him to be the nominee, according to a recent poll.
US President Barack Obama believes women should be allowed to join the all-male Augusta National Golf Club, the White House said, adding pressure on the exclusive 80-year-old organization to drop its restrictive policy.