It's official, for better or worse, Jimmy Fallon will host NBC's "Late Night" show after Conan O'Brien shifts to "The Tonight Show" next year. Despite being a fan of SNL alumni, I wish I felt more positive about this appointment. While it's true that Conan O'Brien was a relative unknown before taking the reins, he was a prolific writer for SNL and "The Simpsons" for years -- the point being that hosting one of these......