Romney shows trouble keeping supporters from 2008

Mitt Romney's second go-round at a presidential run is not going so well. Nine states have voted so far, and in six of them the former Massachusetts governor has received fewer votes than he did four years ago.

Obama stays on 'message,' gets boost in ratings amid GOP strife

President Obama's rising job-approval ratings are the result of a go-it-alone strategy against Congress and a bitter Republican presidential primary, political analysts say.

Gingrich: Michigan is do-or-die for Romney

Former House Speaker Newt Gingrich hinted Sunday that if rival Republican presidential candidate Mitt Romney loses the primary election in his home state of Michigan, he should drop out of the race.

Paul plans to continue presidential bid

Rep. Ron Paul, in an appearance Sunday on CNN's "State of the Union," said he has no plans to drop out of the Republican presidential field despite being the only remaining candidate who has not won a contest.

Santorum hits Obama worldview

Republican front-runner Rick Santorum on Sunday said he doesn't question President Obama's Christianity, but continued his religion-based attacks on the White House, saying the president's worldview "elevates the earth above man."

Romney cites Olympics success

Mitt Romney returned to Salt Lake City on Saturday to celebrate the 10th anniversary of the 2002 Winter Games he helped lead, but the GOP presidential candidate came under attack for urging the federal government to provide big bucks for Olympic expenses.

Questions surface on Gingrich campaign travel payments

When Newt Gingrich's presidential campaign disclosed in October that it planned to pay the candidate $70,000, the transfer was unusual for a campaign committee.

GOP contenders face 13-state test after brief lull

A resurgent Rick Santorum hopes to spring his next big surprise in Michigan. Newt Gingrich looks for a campaign revival in the Bible Belt. Mitt Romney has his home state of Massachusetts, and the luxury of picking his spots elsewhere, if not everywhere, as the race for the Republican presidential nomination roars back to life.

Justice says Supreme Court should revisit campaign finance

The Supreme Court on Friday temporarily blocked a Montana law that had banned corporations from running political ads, but Justice Ruth Bader Ginsburg said the case makes it likely the Supreme Court will have to revisit the Citizens United ruling that has unleashed a flood of ads this year.