Plot: Newt Gingrich calls it quits, Romney advisor Richard Grenell resigns under pressure from conservative groups, and Senator Tom Coburn warns of the country's "Debt Bomb.
Jon Stewart
Wyatt Cenac
Samantha Bee
Adrianne Frost
Bob Wiltfong
Brian Unger
Jerry Minor
Frank DeCaro
Matt Walsh
Michael Showalter
Nancy Carell
Rachael Harris
Stacey Grenrock-Woods