Mitt Romney, 2012 Republican Presidential Candidate | featured news

Although Rick Santorum won North Dakota's Republican presidential caucuses on March 6, the Associated Press reports that at last weekend's state party convention Mitt Romney ended up with the most supporters among the state's 28 delegates to the Republican National Convention.

Republican presidential candidate Rick Santorum, in what may be a grim development for his campaign, has lost the lead in his home state of Pennsylvania to front-runner Mitt Romney, according to a poll released on Thursday.

The Rick Santorum campaign is formally calling on Newt Gingrich to drop out of the race and endorse the former Pennsylvania senator, following Tuesday night's three-primary sweep by Mitt Romney. Santorum's communications director Hogan Gidley made the statement during a Wednesday appearance on MSNBC.

Polls are open in Maryland, the District and Wisconsin, where Tuesday’s Republican primaries could move Mitt Romney closer to a nomination that has hovered just out of his reach. Romney is favored to win in all three jurisdictions: the closest race appears to be in Wisconsin, where recent polls have shown him with a single-digit lead over former Sen. Rick Santorum (Pa.)

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.

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....

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.