So they caught Idaho Senator Larry Craig supposedly offering some vague sex act to someone in the men’s room. The police report—all over the internet—is a primer on how guys apparently do this: you put your left foot in, you put your left foot out… It’s easy to take shots at Craig, who has made a living demanding that the law curtail same-gender activity—and is caught inviting the same thing. In fact, Craig has a history of surreptitious male-male sex. And a history of wanting his disgust for gay people enshrined in American law. He recently urged a federal constitutional…