The craziest thing about that is there's a video documenting the whole thing. It's on YouTube and well worth watching; probably one of the first, if not the first televised coup.
Saddam nonchalantly smoking a cigar while the auditorium's mood goes from confused to hysterical is something to behold. Properly chilling.
Found a clip narrated by the much missed Christopher Hitchens: https://m.youtube.com/watch?v=CR1X3zV6X5Y