Rezko, Health Care, Wal-Mart, Iraq, Spouses, Green-Collar Jobs, Electability

Obama and Clinton have their Kodak Moment duel Thursday night.   No time limits at the 90-minute Hollywood showdown, moderated by CNN's Wolf Blitzer.   Doyle McManus of the L.A. Times and Jeanne Cummings of Politico will also question the pair.   Showtime: 8 p.m. ET   In light of Wednesday's tough Obama speech, the Clinton campaign asks: Which Obama will show up at Hollywood and Highland?   Plus: Check out what advice political communications experts are offering Clinton and Obama for Thursday night's debate.