This is the same twit that tauted "The U.S. doesn't have the guts to bomb us" (Taliban), and "We are laughing at your bombing mission. You have not touched us or our spirit"
Right. That's why they're on the run, scattering like King Arthur and his troops in Monty Python's Holy Grail movie.
Hey, Omar, "Pull the other one, then"
OBL can always hide. Omar is small potatoes, just a tool of OBL. Both are religious fanatics, and may have a death wish anyway. Saddam, on the other hand, has nowhere to hide, and seems to be interested in staying alive. Hence the anthrax threat. It's not complicated, once you factor in where each player fits in the puzzle.