Why Jimmy Fallon Would Be A Good Late Night Host

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As you may have heard by now, NBC is eyeing Jimmy Fallon, of SNL, Adam-Sandler-esque songs not sung by Adam Sandler, and comedies involving Queen Latifah and vehicles fame, to replace Conan O'Brien when Conan replaces Jay Leno in 2009.
An NBC executive thinks Fallon would be a good replacement because "We know him from SNL and saw what he can do on-camera and off-camera, and I think he'd be terrific," but there are many other reasons, besides the vague, lukewarm assertions of a TV executive, why Fallon would be a good Late Night host.
In no particular order they are:
1. His hair. (Floppy = funny!)