The Upresident's re-election campaign had reason to smile early Wednesday, as Mitt Romney and Rick Santorum battled to a virtual dead heat in the caucuses that kicked off the campaign for the Republican presidential nomination.
Romney, a former Massachusetts governor, emerges from Iowa with his front-runner status intact, his well-funded campaign ready for a months-long fight.
But his razor-thin margin over Santorum - a social conservative who ran a low-budget campaign with little advertising - reinforces persistent doubts about Romney's ability to win over his party's conservative base.
