Obama deputy campaign manager Stephanie Cutter; Romney campaign advisor Kevin Madden; Sen. Pat Toomey (R-Pa.); Rep. Chris Van Hollen (D-Md.); author Neil Barofsky; economist Austan Goolsbee; lobbyist Grover Norquist; columnist Kimberley Strassel.
Former Minnesota Gov. Tim Pawlenty; Obama Campaign Senior Strategist David Axelrod; roundtable discussion with Cokie Roberts, Howard Dean, Paul Gigot, Gavin Newsom and Peggy Noonan.
Gov. Bob McDonnell (R-Va.); Los Angeles Mayor Antonio Villaraigosa; journalist George Will; Rep. Donna Edwards (D-Md.); former Gov. Jennifer Granholm; Republican strategist Mary Matalin; TV host Greta Van Susteren.