Squeaker of a victory in hand, Romney looks to NH

Republican presidential candidate, former Massachusetts Gov. Mitt Romney address supporters with his wife Ann and their sons behind him during a Romney for President Iowa Caucus night rally in Des Moines, Iowa, Jan. 3, 2012 (AP Photo/Charlie Neibergall)

January 4, 2012 12:17:37 AM PST
A squeaker of an Iowa victory in hand, Mitt Romney headed Wednesday into the New Hampshire primary -- in his own political backyard -- insisting that staying power sets him apart from runners-up Rick Santorum and Ron Paul and the rest of the GOP presidential field. He shrugged off the promise of sharper criticism from his rivals.