Guest lineups for the Sunday TV news shows:
ABC's "This Week" — Gov. Tom Corbett, R-Pa.; roundtables on politics and Iran.
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NBC's "Meet the Press" — Gov. Tom Corbett, R-Pa.; 2012 GOP presidential candidate Michele Bachmann; Florida Rep. Debbie Wasserman Schultz, head of the Democratic National Committee.
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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.
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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.
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"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.