Guest lineups for the Sunday TV news shows:
ABC's "This Week" — Dan Pfeiffer, adviser to President Barack Obama.
NBC's "Meet the Press" — Sen. Lindsey Graham, R-S.C.; Bill Richardson, a former U.N. ambassador and New Mexico governor; Michele Flournoy, a former undersecretary of defense for policy.
CBS' "Face the Nation" — Sens. Chuck Schumer, D-N.Y., and John McCain, R-Ariz.; former Secretary of State Madeleine Albright.
CNN's "State of the Union" — Gov. Dannel Malloy, D-Conn.; Jon Huntsman, a former U.S. ambassador to China and Utah governor; Reps. Luis Gutierrez, D-Ill., and Mario Diaz-Balart, R-Fla.
"Fox News Sunday" — Pfeiffer; former Rep. Asa Hutchinson, who directed a National Rifle Association-sponsored study on ways to improve school safety.