Will Democratic Convention Rekindle Obama's Momentum?

The Democrats are gathering in Denver, getting ready to nominate the first African American candidate for President. But history aside, the Dems have their work cut out for them; the polls are showing a close race. Guest host Judy Muller discusses the challenges facing the Obama campaign as it looks for a boost from the Vice Presidential pick and a convention that could prove to be unconventional. Also, Russia begins withdrawing from Georgia, leaving  "peace-keepers" behind, and at the Olympics, Jamaicans are tearing up the track as new questions arise over the age of Chinese gymnasts.