You know John Hefner, even if you don’t know him. He’s a total geek — a costume-dressing, trivia-spouting, shows-Ravenous-to-all-his-first-dates geek. I mean that in a friendly, even admiring way. He seems to be under the impression that his geekdom is an out-of-control malady that exacerbates his dating woes, but really now. We live in the Age of Geeks. The jock-jerk in the White House is as despised as any U.S. president has ever been. Those…