Am I the only one whose initial reaction to the news that Jimmy Fallon will take over Conan O'Brien's chair in 2009 was... why? I mean, I think Fallon is charming and funny — or, at least he was the last time I saw him* — but I don't know that I want to watch him giggle his way through interviews night after night. (Who watches late , late night TV for the interviews, you ask? Good ...