Guest lineups for the Sunday TV news shows:
ABC's "This Week" _ Sens. Chuck Schumer, D-N.Y., and Lindsey Graham, R-S.C.
NBC's "Meet the Press" _ Republican presidential candidate Rick Santorum; Govs. Bob McDonnell, R-Va., and Martin O'Malley, D-Md.; Rep. Marsha Blackburn, R-Tenn.
CBS' "Face the Nation" _ Republican presidential candidate Newt Gingrich; Robert Gibbs, adviser to President Barack Obama's re-election campaign;
CNN's "State of the Union" _ Senate Majority Leader Harry Reid, D-Nev.
"Fox News Sunday" _ Gingrich; Sen. John McCain, R-Ariz.