Virginia Tech, Etc. Fox News Sunday Lt. Governor Bill Bolling (R., Va.)

George Washington University President Stephen Trachtenberg

Sen. Arlen Specter (R., Pa.)

Sen. Chuck Schumer (D., N.Y.)

Virginia Tech, Etc. II Meet the Press Ex-Virginia Police Superintendent Gerald Massengill

Ex-Department of Homeland Security Secretary Tom Ridge

Presidential historian Doris Kearns Goodwin

David Gregory of NBC

Jon Meacham of Newsweek Virginia Tech, Etc. III Face the Nation Jim and Sarah Brady

Criminal profiler Gregg McCray

Sen. Patrick Leahy (D., Vt.)

Virginia Tech, Etc. IV Late Edition Virginia Attorney General Bob McDonnell

Sen. Sam Brownback (R., Kan.)

Tom Friedman of the New York Times Ex-Clinton counsel Lanny Davis

Newt, Etc. This Week Newt Gingrich

Sen. Chris Dodd and Jackie Dodd