Sexual scandals are especially effective against Republicans who can then also be accused of hypocrisy inasmuch as they're always spouting off about morality and junk like that. Of course, some personal issues such as former Klan membership or leaving the scene of a fatal accident are off limits for obvious reasons
Pat Sajak, "Searching for the Next GOP Villain," in Human Events, 04/15/05 (online at freerepublic.com)