Now Playing: 08-31-12 Marketplace Morning Report

As the Republican National Convention wraps up in Tampa, the Democratic National Convention is about to start up in Charlotte. We examine the facts behind an ad attacking changes President Obama supposedly made to the nation's welfare program. Fed Chairman Ben Bernanke is set to give a big speech at an economic conference in Jackson Hole, Wyoming. Will he give any hints about QE3? And we look at historically black colleges in dire financial situations.