Guest lineups for the Sunday TV news shows:
ABC's "This Week" _ Sen. Pat Toomey, R-Pa.; former Secretary of State Colin Powell.
NBC's "Meet the Press" _ Sen. Chuck Schumer, D-N.Y.; Grover Norquist, president of Americans for Tax Reform.
CBS' "Face the Nation" _ Books and authors, with guests including former Secretary of State Condoleezza Rice.
CNN's "State of the Union" _ 2012 GOP presidential candidate Herman Cain; Rice.
"Fox News Sunday" _ 2012 GOP presidential candidate Jon Huntsman; Sens. Dick Durbin, D-Ill., and Jon Kyl, R-Ariz.