2012 Presidential Election, 2012 Republican Presidential Candidate | featured news

The former Pa. senator leads among likely GOP voters back home, but nearly 4 in 10 could change their minds before the April 24 primary.

To watch Mitt Romney campaign across Wisconsin the past few days has been to wonder whether the Republican primary is still going on.

A Rick Santorum TV ad morphs an image of Obama into Romney, making the point that there are no policy differences between the two.

The U.S. Senate's top Republican called on his party to unite behind leading presidential candidate Mitt Romney on Sunday as rival Rick Santorum vowed to stay in the race beyond a likely defeat in Tuesday's Wisconsin primary.

GOP presidential hopeful Mitt Romney is joined by his latest supporter, Rep. Paul Ryan, R-Wis., as he tries to garner support before the state's upcoming caucuses.

Representative Paul D. Ryan of Wisconsin on Friday is endorsing the presidential candidacy of Mitt Romney, becoming the latest Republican leader to urge the party to coalesce behind Mr. Romney and begin to confront President Obama.

The costly Republican primary has been draining Mitt Romney's wallet and giving President Barack Obama time to build an expansive campaign architecture with offices in 45 states and hundreds of employees....

As he struggles to find a balance between being an underdog and an embittered also-ran, Rick Santorum has been trying to modulate the fiery language that has been a potent campaign weapon.

Former President George H.W. Bush plans to endorse Mitt Romney at an event Thursday in Houston... Formal backing from the 41st president is another sign that the Republican Party is uniting behind Romney as pressure builds on challengers Rick Santorum and Newt Gingrich to leave the race.

Newt Gingrich is dramatically curtailing his campaign schedule and laying off about a third of his campaign staff as he focuses on a last-ditch effort to win the Republican presidential nomination at the convention in Tampa.