Rick Santorum

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  Bobby Jindal Unlikely to Figure in First Republican Presidential Debate

  Indian-American Bobby Jindal is unlikely to figure in the first Republican presidential debate on August 6 as his national poll ratings has kept him out of the list of popular top 10 candidates so far.

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  What's Next After US Supreme Court's Gay Marriage Ruling, Ask Republicans

  While some Republican presidential candidates urged action to counter the US Supreme Court's ruling legalizing gay marriage, grassroots activists at a conservative conference this weekend said they preferred to focus on limiting the damage.

• Mitt Romney clinches Republican nomination for President

  Mitt Romney clinched the Republican presidential nomination on Tuesday with a win in the Texas primary, a triumph of endurance for a candidate who came up short four years ago and had to fight hard this year as voters flirted with a carousel of Republican rivals.

• Romney lays claim to nomination with five-state sweep

  Mitt Romney effectively claimed the Republican Presidential nomination on Tuesday, reveling in a five-state primary sweep and urging voters to help him oust President Barack Obama in November.

• Rick Santorum pulls out of US presidential race

  Bowing to the inevitable after an improbably resilient run for the White House, Rick Santorum quit the presidential race on Tuesday, clearing the way for Mitt Romney to claim the Republican nomination.

• 'Quite a night': Romney sweeps US primary trio

  Republican voters handed Mitt Romney a resounding victory in Maryland on Tuesday, US networks projected, in what could be a pivotal three-win night for the frontrunner as he sharpens his quest for the White House.

• Santorum wins Louisiana primary: US media

  Republican presidential candidate Rick Santorum won the Louisiana primary on Saturday, US media projections said, giving his flagging White House campaign a much needed boost.

• Obama: 'If I had a son, he'd look like Trayvon'

  President Barack Obama spoke in unusually personal terms Friday about the shooting death of an unarmed black teenager in Florida, a case that has roiled civil rights activists and a suburban Orlando community.

• Romney posts primary win in Obama's home state

  White House hopeful Mitt Romney racked up another victory in the plodding Republican nominating with a win in President Barack Obama's home state of Illinois on Tuesday.

• Rick Santorum wins Alabama, Mississippi primaries

  Rick Santorum has swept the Republican's fight for the South, winning Alabama and Mississippi. With 71 per cent of the vote counted in Alabama, Santorum had 35 per cent, Newt Gingrich had 30 per cent and Mitt Romney had 28 per cent.