Did you get a chance to do Crossfit when it was still hardcore? Did you get a chance to do 15 body weigh overhead squats followed by 400-yard sprints for time until you puked, or Tabata intervals until you puked, or sled pulling followed by burpees followed by box jumps followed by muscle-ups, until you puked? If you haven't done it already, it's too late. Crossfit is over.

I'm thrilled that my favorite summer shows—like True Blood and Weeds—are finally coming back. But one thing is increasingly clear: There are a lot of desperate shows out there. And they're all resorting to the same tired tricks to try to make themselves fresh again.

David Letterman has crossed the threshold from tabloid guest star to full time villain. Well, if Quinnipiac University's to be believed.