ABC’s “This Week” – Former vice presidential candidate John Edwards; Ahmed Chalabi, candidate for Iraqi prime minister.

CBS’ “Face the Nation” – Sens. Lindsey Graham, R-S.C., and Hillary Rodham Clinton, D-N.Y.

CNN’s “Late Edition” – Former Presidents Bill Clinton and George H.W. Bush; Sens. Chuck Hagel, R-Neb., and Barbara Boxer, D-Calif.; pro basketball players Shaquille O’Neal, Manu Ginobili and Grant Hill; NBA Players Association executive director Billy Hunter; and NBA commissioner David Stern.



NBC’s “Meet the Press” – Sens. Clinton and John McCain, R-Ariz.

“Fox News Sunday” – Former Presidents Clinton and Bush; Sens. Pat Roberts, R-Kan., and Jay Rockefeller, D-W.Va.