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Despite Texas Rep. Ron Paul's strong showing at the Iowa caucuses and New Hampshire primary, few Republicans think he could win the party's nomination. But some are concerned he could take his support and launch a third-party bid for the White House.

Listen to the latest news and analysis on the New Hampshire primary and its impact on the race for the Republican presidential nomination.

New Hampshire accounts for a tiny portion of the delegates Republicans are competing for — just 5 percent. But voters in the Granite State feel their votes serve as an important vetting process and spring board for candidates.

As expected, GOP presidential candidate Mitt Romney won the New Hampshire primary. Texas Rep. Ron Paul clinched second place — ahead of former Utah Governor Jon Huntsman. Paul told a crowd of supporters that he was nibbling at the heels of the front-runner.

Former Massachusetts Gov. Mitt Romney used his New Hampshire primary victory speech to attack President Obama — with only a glancing nod to his Republican rivals.

The political press felt confident — dead certain, actually — that former Massachusetts Gov. Mitt Romney would win the New Hampshire primary by a comfortable margin. Most polls closed state-wide by 7 p.m. — but as a smattering would not close until 8 p.m., no one reported the final verdicts.

Melissa Block talks to former New Hampshire Republican Sen. Bob Smith. He's a Newt Gingrich supporter, and he now lives in Florida.

Melissa Block speaks with Andy Kohut of the Pew Research Center and our political commentators E.J. Dionne, of The Washington Post and Brookings Institution, and Matthew Continetti, opinion editor of The Weekly Standard, about the results of the New Hampshire primary.

Melissa Block talks to Doug Wead, a Ron Paul campaign adviser and presidential historian.

It's just the first Republican primary. But a convincing win in New Hampshire should give Mitt Romney considerable momentum in his quest toward the GOP nomination. Romney easily captured New Hampshire a week after barely winning the Iowa caucuses. Texas Rep. Ron Paul finished second.