Republicans and Democrats slammed John McCain yesterday for not slamming a South Carolina supporter who called Sen. Hillary Rodham Clinton a "bitch" to his face. "I think it's a huge mistake for us to show that kind of disrespect to any candidate," said Sen. Jim DeMint (R-SC). "We can't encourage this kind of behavior. We certainly don't need to get personal." The Clinton camp declined to comment. McCain, a practitioner of "straight talk" on the campaign trail, was caught off guard when a woman asked him at a campaign event, "How do we beat the bitch?" After laughing and covering...