Conservative heads would have exploded. From New York magazine...
Before choosing Todd, NBC News president Deborah Turness held negotiations with Jon Stewart about hosting Meet the Press, according to three senior television sources with knowledge of the talks. One source explained that NBC was prepared to offer Stewart virtually “anything" to bring him over. "They were ready to back the Brink's truck up," the source said. A spokesperson for NBC declined to comment. James Dixon, Stewart's agent, did not respond to multiple requests for comment.
That's some out-of-the-box thinking there. I personally think he would have done a great job, but he made the right call. That Washington cesspool would have sucked the life out of him.