Republican presidential candidates

Mitt Romney says President Barack Obama is "in part" to blame for rising gas prices.

Read More|Comment

Although supporters of Rick Santorum are urging Newt Gingrich to leave the race so that conservatives can unite around Santorum, Gingrich is showing no signs that he's going to do so.

Read More|Comment

Voters at Super Tuesday precincts are drawing a composite sketch, of sorts, of the Republican candidate they'd like to challenge President Barack Obama in the fall.

Read More|Comment

Mitt Romney scored a hard-won, home state triumph in Michigan and powered to victory in Arizona Tuesday night, gaining a two-state primary sweep over Rick Santorum and precious momentum in the most turbulent Republican presidential race in a generation.

Read More|Comment

A subdued Newt Gingrich is focusing on President Barack Obama and ignoring his Republican rivals as he looks to Super Tuesday's contests.

Read More|Comment

A billionaire casino owner has given another "substantial" contribution to an independent group supporting Republican Newt Gingrich. The group is launching new TV ads in seven states this week.

Read More|Comment

Primed for a fight, Mitt Romney and Rick Santorum traded fiery accusations about health care, spending earmarks and federal bailouts Wednesday night in the 20th and possibly final debate of the roller-coaster race for the Republican presidential nomination.

Read More|Comment

How could we imagine getting through a week without yet another Republican Presidential Debate?

Read More|Comment

Philosophical differences between the top two Republican presidential candidates are becoming starker.

Read More|Comment

Michigan Gov. Rick Snyder is backing Mitt Romney's bid for the Republican presidential nomination, calling the former Massachusetts governor "the man for the job."

Read More|Comment