UNITED STATES - AUGUST 28: Bill Ritter Jr., governor of Colorado, waves to the audience before speaking on day four of the Democratic National Convention (DNC) at Invesco Field at Mile High in Denver, Colorado, U.S., on Thursday, Aug. 28, 2008. Senator Barack Obama of Illinois will accept his party's nomination for Democratic presidential candidate during his speech at the stadium tonight. (Photo by Daniel Acker/Bloomberg via Getty Images)
