ABC: This Week

9 a.m.

Former House Speaker Newt Gingrich; Sen. Chris Dodd, D-Conn., and his wife, Jackie Marie Clegg.

CBS: Face the Nation

10:30 a.m.

Sen. Patrick Leahy, D-Vt.; Jim and Sarah Brady of the Brady Campaign to Prevent Gun Violence; former FBI profiler Gregg McCrary.

NBC: Meet the Press

9 a.m.

Health and Human Services Secretary Michael Leavitt; Education Secretary Margaret Spellings; Col. Gerald Massengill, former Virginia State Police superintendent; former Homeland Security Secretary Tom Ridge.

CNN: Late Edition

11 a.m.

Sens. Sam Brownback, R-Kan., and Ron Wyden, D-Ore.; Virginia Attorney General Bob McDonnell; New York Times columnist Thomas Friedman; Lanny Davis, former special counsel to President Clinton; David Rivkin, former counsel to President George H.W. Bush.

Fox: Fox News Sunday

9 a.m.

Virginia Lt. Gov. Bill Bolling; Stephen Trachtenberg, George Washington University president; Sens. Arlen Specter, R-Pa., and Charles Schumer, D-N.Y.