John Cameron Mitchell could perform Noh theater to Ke$ha on a loop and still be delightful to watch. He was great here doing his vamping about the East River having frozen over, and feeling so out of the loop that he didn’t even know what pistachios were. Even his “high/low” book division in which Toni Morrison writes about Target and Tom Wolfe muses on his colostomy bag felt strangely conceivable.  But what in the world was that scene?