Guest lineups for the Sunday TV news shows:
ABC's "This Week" _ Roundtables on politics and Iran.
NBC's "Meet the Press" _ 2012 GOP presidential candidate Michele Bachmann; Florida Rep. Debbie Wasserman Schultz, head of the Democratic National Committee.
CBS' "Face the Nation" _ 2012 GOP presidential candidate Jon Huntsman; Sen. Lindsey Graham, R-S.C.; Govs. Martin O'Malley, D-Md., and Haley Barbour, R-Miss.
CNN's "State of the Union" _ Rep. Jeb Hensarling, R-Texas; Sens. Mark Warner, D-Va., and Tom Coburn, R-Okla.; Republican National Committee chairman Reince Priebus; Los Angeles Mayor Antonio Villaraigosa.
"Fox News Sunday" _ Sen. Pat Toomey, R-Pa.; Rep. James Clyburn, D-S.C.; Gov. Tom Corbett, R-Pa.; Penn State student body President T.J. Bard; former Penn State and Pittsburgh Steelers running back Franco Harris.