03/28/2008 02:45 am ET | Updated May 25, 2011

Obama Camp Credits Youth Turnout

Senior Obama advisor David Axelrod said the most surprising thing [about the caucus] was the turnout. "These were numbers you'd expect almost in a primary," he said. "The prodigious turnout was breathtaking, and it eclipsed anything I heard predicted. It's just fabulous to see people engaged in this way."

One crucial group, he said: young voters.

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