Here’s a clip from last night’s Conan, where O’Brien teams up with Seth Rogen and Zac Efron for the latest installment of “Clueless Gamer†reviewing Mario Kart 8. Rogen and Efron are there promoting Neighbors 2, so most of the gaming session is spent up by the guys drawing Standards and Practices-friendly dicks on Conan’s face for losing races. “You should be able to draw the penis you wanna draw in America. That’s what we’re all about.â€