DENVER - AUGUST 25: A man wears a U.S. Senator Hillary Clinton (D-NY) button during day one of the Democratic National Conventi DENVER - AUGUST 25: A man wears a U.S. Senator Hillary Clinton (D-NY) button during day one of the Democratic National Convention (DNC) at the Pepsi Center August 25, 2008 in Denver, Colorado. The DNC, where U.S. Sen. Barack Obama (D-IL) will be officially nominated as the Democratic candidate for U.S. president, starts today and finishes August 28th. (Photo by Chip Somodevilla/Getty Images) | |