Barack Obama Makes Surprise Appearance After Joe Biden DNC Speech

Barack Obama made a surprise appearance Wednesday at the Democratic National Convention, but it was just a warm up for the history making moment that awaits him tonight when he becomes the first black man to accept the presidential nomination of a major political party. Obama will claim the nomination tonight before a crowd so large the convention will be moved to a 70,000 seat sports stadium, Invesco Field. Adding poignancy to his remarkable moment, he will become the party's leader on the...Full Story