You read how Dave has de-invested of late with the show, but when we saw him back in 2012, he was still very involved, to the point of being fidgety during the commercial breaks, huddling with his team, reviewing stuff before going back on the air. The Ed Sullivan Theater, in the Theater District on West 53rd and Broadway, is so cool, so much rich broadcast history. Had an opportunity to sit at his desk after one of his shows: