Guest lineups for the Sunday TV news shows:
ABC's "This Week" _ Reps. Paul Ryan, R-Wis., and Chris Van Hollen, D-Md.
NBC's "Meet the Press" _ Republican presidential candidate Rick Santorum; Sen. Chuck Schumer, D-N.Y.
CBS' "Face the Nation" _ Vice President Joe Biden; Republican presidential candidates Newt Gingrich and Ron Paul; Kevin Madden, adviser to Republican presidential candidate Mitt Romney.
CNN's "State of the Union" _ Sen. Mitch McConnell, R-Ky.; Reps. Mike Rogers, R-Mich., and Rep. C.A. "Dutch" Ruppersberger, D-Md.; Ryan.
"Fox News Sunday" _ Santorum; former Govs. Haley Barbour, R-Miss., and Howard Dean, D-Vt.