Guest lineups for the Sunday TV news shows:
ABC's "This Week" — 2012 GOP presidential candidates Michele Bachmann and Ron Paul; Gov. Terry Branstad, R-Iowa.
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NBC's "Meet the Press" — 2012 GOP presidential candidate Rick Santorum; Matt Strawn, Iowa GOP chairman.
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CBS' "Face the Nation" — Sen. Rand Paul, R-Ky.
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CNN's "State of the Union" — Ron Paul; Branstad; Rep. Steve King, R-Iowa.
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"Fox News Sunday" — 2012 GOP presidential candidates Rick Perry, Ron Paul and Bachmann.