Newt Gingrich ended his tumultuous run for US president on Wednesday after dazzling in televised debates but winning only two of the dozens of nominating contests in the Republican primary race.
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.
US President Barack Obama threatened to veto a defence policy bill in the House of Representatives that would authorize higher Pentagon spending and tie his hands on national security issues from nuclear arms reductions to handling war detainees.
US conservative Rick Santorum dropped out of his presidential campaign on Tuesday after falling far behind front-runner Mitt Romney in the race for the Republican nomination
Newt Gingrich is quitting the US Republican presidential contest after a tumultuous campaign that saw him go from longshot to front-runner and back again, a campaign official said.
US Republican Mitt Romney's foreign policy spokesman, Richard Grenell, has resigned after only a brief stint on Romney's presidential campaign.
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.
Rick Santorum cruised to victory in the Louisiana Republican presidential primary but still trails Mitt Romney by a wide margin in the national delegate count for the party nomination.
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.
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.
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.
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.
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.
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.
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.
Republican front-runner Mitt Romney appeared headed to an easy win in Nevada on Saturday that would put him in firm command of the party's see-sawing presidential nominating race.
The New Jersey Assembly passed legislation legalizing same-sex marriage, sending the bill to Republican Governor Chris Christie, a possible vice-presidential candidate who has promised to veto the measure.
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.
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.
US Republican presidential candidate Newt Gingrich thrust himself into controversy on by declaring that the Palestinians are an "invented" people who want to destroy Israel
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.
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.
US Businessman Herman Cain defiantly denied sexual harassment allegations against him and vowed they would not force him to withdraw from the race for the 2012 Republican presidential nomination.
A woman accused US Republican presidential candidate Herman Cain of having a 13-year affair with her that ended just months ago, a new charge that could derail his campaign for the White House.
Republican presidential hopeful Herman Cain, facing allegations of marital infidelity, told a newspaper his wife did not know about his friendship with the Atlanta woman making the accusations.
John Boehner, the Republican speaker of the House of Representatives, said on Thursday President Barack Obama's jobs proposals "merit consideration" and expressed hope both parties could work together.
The US House of Representatives unexpectedly defeated a bill that would fund the federal government past Sept. 30 as dozens of Republicans broke with their party to push for deeper spending cuts.
A woman accused US Republican presidential hopeful Herman Cain of reaching under her skirt in 1997, adding to sexual harassment allegations that are threatening to derail his campaign.
An effort to craft a broad deal of up to $4 trillion in deficit-reduction appeared out of reach as Republican leader John Boehner cited differences with the White House on taxes and proposed pursuing a more modest package.
President Barack Obama agreed to unveil new jobs proposals in an address to Congress on September 8, bowing to pressure from Republicans, who objected to the original date set for his high-profile speech.
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.
Republicans scaled back plans for deep cuts in government spending as they took power in the House of Representatives, diluting a key promise that helped them to victory in November's election.
Utah's governor signed a package of immigration laws including one that would allow a police crackdown on illegal immigrants similar to Arizona's 2010 attempt.
The Arizona Senate yesterday rejected five immigration bills, placing a major stumbling block in the way of state conservatives' hopes to pass more laws cracking down on illegal immigrants.