MCLEAN, VA - NOV 30: U.S. Senator Joseph Biden speaks at the Democratic National Committee meeting on November 30, 2007 in McLean, Virginia. Barack Obama has chosen Biden as his 2008 running mate.
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MCLEAN, VA - NOV 30: U.S. Senator Joseph Biden speaks at the Democratic National Committee meeting on November 30, 2007 in McLean, Virginia. Barack Obama has chosen Biden as his 2008 running mate.