No link to this, because I'm at a library on a PC rather than an Apple, and am therefore terminally confused. But it's from Rick Hertzberg's New Yorker blog, a link to which will be found in the sidebar to your right.
The era of the modern sex scandal began in 1988 with Gary Hart, Donna Rice, the S.S. Monkey Business, and the Miami Herald. It seems almost quaint now, but back then it was de rigueur for the press to maintain that the sex scandal of the moment was not really “about” sex. What it was “about” was lying, which in turn meant that it was “about” something more important than sex, i.e., “character.”
The problem is that lying is an inherent part of adultery and, by extension, of any illicit or potentially embarrassing sexual activity or proclivity. By itself, the fact that a person has lied about sex tells you nothing about that person’s general propensity to lie. Unlike most citizens, prominent politicians like Gary Hart, Bill Clinton, and Anthony Weiner make speeches by the hundred, give media interviews constantly, and have extensively documented public records. If the politician is a habitual or characterological liar, the public record will show it and the lying-about-sex is redundant. If the politician is not a habitual or characterological liar, his lying-about-sex is misleading — is itself a lie, in a way.