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.
NBC's "Meet the Press" _ 2012 GOP presidential candidate Rick Santorum; Matt Strawn, Iowa GOP chairman.
CBS' "Face the Nation" _ Sen. Rand Paul, R-Ky.
CNN's "State of the Union" _ Ron Paul; Branstad; Rep. Steve King, R-Iowa.
"Fox News Sunday" _ 2012 GOP presidential candidates Rick Perry, Ron Paul and Bachmann.