The start time for the party to celebrate Tina Brown’s new book, “The Palace Papers,” was 6:30 p.m., and that’s when the media crowd began streaming into Michael’s, a bistro in midtown Manhattan known for its power lunches. By 6:35, the place was packed.
I was standing on the other side of West 55th Street, watching the moment unfold in something like disbelief. Years of going to this kind of thing, either as a reporter or a guest,…