CongressionalBadBoys.com | home | Souder Mark Souder Republican, Indiana (1995-2010) Mark Souder, married thirty-five years, with three adult children.  Family man, God-fearing conservative Christian.  He resigned on May 18, 2010 after admitting to an affair with a female staffer.  Souder said that he had "sinned against God, my wife and my family by having a mutual relationship with a part-time member of my staff. . . . I am so ashamed to have hurt those I love."   Souder joins Eric Massa in the 2010 class of congressmen and sexual affairs. Check out the entire list.   Sources: CBS News, "Mark Souder Resigns Because of Affair with Staffer," May 18, 2010.