Restore Our Future, the pro-Romney super PAC that unloaded a barrage of negative TV ads on Gingrich in Iowa, planned to go after him again - this time in print.

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The group announced it had purchased full-page newspaper ads in New Hampshire and South Carolina tying the former House speaker to Obama.

"On issue after issue, Newt Gingrich and Barack Obama have so much in common, the right choice is to choose neither," the ad said, ticking through issues including Gingrich's support for the federal bank bailout and favoring "amnesty" for illegal immigrants Jon Huntsman, who bypassed Iowa to bet his campaign on a good finish in New Hampshire, was showing off an endorsement by The Boston Globe, Romney's hometown paper.

It was the second time Massachusetts' largest newspaper had snubbed Romney ahead of the New Hampshire primary.

Campaigning in Concord, N.H, Huntsman was asked by an audience member whether the other candidates have "clawed their way to the right," leaving him as the centrist in the race. Huntsman didn't accept the label but called himself a realist instead.

"We have to draw from ideas that are doable and not so outlandishly stupid that they create a lot of political infighting and finger-pointing and never, ever in 1000 years are going to get done," he said.

Also vying to emerge as Romney's chief rival were Texas Rep. Ron Paul and Texas Gov. Rick Perry.

Perry, who finished fifth in Iowa, released a biographical ad in South Carolina that spokesman Ray Sullivan said shows his "perfect-for-South-Carolina status" as a conservative man of faith and a veteran.

Paul, who placed third in Iowa, was arriving in New Hampshire on Friday, in time to participate in a pair of weekend debates.