Guest lineups for the Sunday TV news shows:

ABC's "This Week" - Sens. Johnny Isakson, R-Ga., and Amy Klobuchar, D-Minn.; former Rep. Asa Hutchinson, who's leading a National Rifle Association program that will develop a model security plan for schools that relies on armed volunteers; Sarah Brady, Brady Center to Prevent Gun Violence; Mayor Cory Booker of Newark, N.J.; Grover Norquist, president of Americans for Tax Reform.

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NBC's "Meet the Press" - Wayne LaPierre, CEO of the NRA; Sens. Chuck Schumer, D-N.Y., and Lindsey Graham, R-S.C.; Rep. Jason Chaffetz, R-Utah.

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CBS' "Face the Nation" - David Keene, NRA president; Sens. Kay Bailey Hutchison, R-Texas, and Mark Warner, D-Va.; Rep. Tim Scott, R-S.C.; actor Ben Affleck.

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CNN's "State of the Union" - Sen. Joe Lieberman, I-Conn.; Reps. Mick Mulvaney, R-S.C., and Steve LaTourette, R-Ohio; Hutchinson.

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"Fox News Sunday" - Sens. John Barrasso, R-Wyo., and Kent Conrad, D-N.D.