Through an amazing fluke of luck I got on the list to see last week’s Saturday Night Live dress rehearsal. After a bit of a mixup with a friend who was supposed to join me I got escorted up to the 8th floor of 50 West 50th Street in Rockerfeller Center – this is the studio floor, not the bleachers. I sat down at 7:40 p.m. with about 20 other people lucky enough to......