Here’s the thing: I’m not particularly interested in what politicians do in their private lives. But if you make a public commitment to your wife and then ask people to keep out of your “private life” you’re sending mixed-messages. So when John Humphreys, the founder of the Australian Libertarian Society defended America’s sleazy Democrat, Anthony Weiner, in Defending the indefensible, my response was clear: I don’t care if he posed for Playgirl – that’s not the issue. If you cheat on your wife, the likelihood of cheating on people you don’t know is very high indeed, according to my reading...