ladies and gentlemen, i am honored to be here tonight. sit down. >> he's back. that was former president bill clinton working the crowd at the 2008 democratic national convention as only still bill can, to borrow the moniker from bill withers. democrats announced today that clinton will play a bigger role at this year's convention in charlotte, north carolina. he will formally nominate barack obama for the democratic ticket and make the case for a second obama term. the former president is expected to argue for the current president's economic policies, offering a clear contrast between the obama plan and the romney one, or as bill clinton puts it, bush on steroids. with a 66% approval rating, the