TUCSON, Ariz. – Rick Santorum, making rare remarks on immigration before an audience of tea party supporters here, pledged to secure the border and suggested he would be willing to break up families if some members are in Americ...

The two Catholic candidates still in the Republican presidential race split on what they did on Ash Wednesday. Rick Santorum went to mass in Mesa, Ariz., and emerged with ashes on his forehead. Newt Gingirch didn't attend services...

Asked about a speech he gave three years ago, the Republican presidential candidate says, “I believe in good and evil”--and staying on message.

Seeking to blunt attacks by rival Mitt Romney, GOP presidential candidate Rick Santorum points to his work exposing scandals in Congress.

Rhetorical firebombs are becoming par for the course for Republican Rick Santorum’s presidential campaign. This one apparently was an accident.

The Republican presidential candidate claims working class roots through his coal-miner grandfather and says climate change science is “political science.”

The GOP presidential candidate defended remarks comparing the imperative for Americans to get involved in the 2012 election with the country’s initial reluctance to fight Adolph Hitler’s aggression in Europe.

CUMMING, Ga. -- Rick Santorum is sharpening his rhetoric against President Obama on the campaign trail, painting a picture of a president out of touch with the American people that seems aimed at tapping into fear and anger among ...

COLUMBUS, Ohio - Campaigning in Ohio on Saturday, Rick Santorum displayed his culture-warrior side, as he harshly attacked President Obama by suggesting the president wanted to see more disabled babies aborted and accusing him of ...

COLUMBUS, Ohio - On the 10th anniversary of the Salt Lake City Winter Olympic Games -- an event Mitt Romney frequently cites as having rescued -- Rick Santorum on Saturday launched a blistering attack on his rival, accusing him of...

The Republican presidential candidate urges Ohio voters to consider themselves the next Great Generation to fight the “dark” spreading across the continent.

Republican presidential hopeful Rick Santorum won a key endorsement on Friday from Ohio Attorney General Mike DeWine, who had earlier backed Mitt Romney. The Ohio primary is one of the big prizes on Super Tuesday, March 6.

The Republican governor of Michigan says people should look at Mitt Romney’s economic plans and stop focusing on his opposition to the auto bailout.

In a speech to Detroit Economic Club, the former U.S. senator from Pennsylvania argues that he was a fiscal conservative in Congress and explains his support for private-sector unions.

The former U.S. senator from Pennsylvania made his money as a business consultant in Washington, D.C., and paid 25-30 percent in taxes.