Republican Presidential Candidate, Rick Santorum | featured news

Rick Santorum and Marco Rubio are the top two choices among Republican voters as Mitt Romney's vice presidential running mate, according to a Reuters/Ipsos poll released on Thursday.

Bowing to the inevitable, Rick Santorum quit the presidential campaign Tuesday, clearing the way for Mitt Romney to claim the Republican nomination. Santorum, appearing with his wife and family in his home state of Pennsylvania, told supporters the race for him was over, but the fight to defeat President Barack Obama would go on.

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.)

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.

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

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.

Republicans went to the polls Saturday in Louisiana to vote in a primary poised to give a boost to Rick Santorum, but also add to Mitt Romney’s growing, if not insurmountable delegate lead in the race for the GOP nomination.