ABC's "This Week" — Former President Jimmy Carter; national security adviser Stephen Hadley.
___
CBS' "Face the Nation" — Defense Secretary Robert Gates; House Speaker Nancy Pelosi, D-Calif.
___
NBC's "Meet the Press" — Democratic strategists James Carville and Bob Shrum; Republican strategists Mary Matalin and Mike Murphy.
___
CNN's "Late Edition" — Sens. Richard Lugar, R-Ind., Joe Biden, D-Del., Bob Casey, D-Pa., Evan Bayh, D-Ind., and Joe Lieberman, a Connecticut independent; Iraqi Foreign Minister Hoshyar Zebari.
As Meet the Press descends further into self-parody...