Former Massachusetts Gov. Mitt Romney eked out an eight-vote win after he and former Pennsylvania Sen. Rick Santorum swapped the slimmest of leads back and forth in Tuesday's caucuses. With returns complete, each had won the support of roughly 25 percent of caucusgoers.
In 2008, young voters turned out in droves to elect Barack Obama, but now seem less likely to support his re-election campaign. Some young liberals have even thrown their support behind Republican Ron Paul.
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