Dennis Hastert (Republican): Sexually abused multiple teenaged-men in the 1970's while in a position of power as a high school wrestling coach.
Mark Foley (Republican): Guilty of sexual predation of multiple teenaged boys (congressional pages).
David Vitter (Republican): Involved with a Washington DC escort service and a scandal around prostitution.
Strom Thurmond (Democrat): Had a mixed-race grown daughter out of wedlock.
Larry Craig (Republican): Lewd conduct in a restroom soliciting sex from an undercover cop.
Gary Condit (Democrat): Had an extra-marital affair.
Ed Schrock (Republican): Caught soliciting sex from men on an interactive telephone service where men could leave messages for other men in order to get sex.
Steven LaTourette (Republican): Left his wife for a female aide.
David Dreier (Republican): Was vehemently anti-gay and gay in real life (had a partner).
Don Sherwood (Republican): Caught having an extra-marital affair and accused of assaulting a woman who locked herself in his bathroom.
Vito Fossella (Republican): Admitted to an extra-marital affair that resulted in a child while he was married.
John Edwards (Democrat): Caught having an extra-marital affair.
John Ensign (Republican): Caught having an extra-marital affair.
Chip Pickering (Republican): Caught having an extra-marital affair.
Holy crap, people. The 107th congress was bad news. Maybe it's just a weird coincidence that the majority of these names are Republican. I'm sure that's it. :)