Former Massachusetts Gov. Mitt Romney won a narrow victory over Rep. Ron Paul in Maine's February 11 caucuses. Contests in Arizona and Michigan are up next on the Republican calendar. Stay with CNN on-air and online for the latest in the GOP White House race. And tune in to CNN on February 22 for the CNN/Arizona Republican Party Presidential Debate.
Go deep with each of the presidential candidates to learn about their background, policies and lives.
From the economy to health care to same-sex marriage, here are the issues that matter to you.
From Iowa to New Hampshire to California, an interactive look at the primary & caucus calendar.
The top commentators and opinion leaders in America go head-to-head to debate the campaign.