When Bill Clinton gave his speech at the DNC Wednesday night he ran long, ad-libbed, and totally ruined that Cowboys-Giants game. He also, as Jon Stewart points out, used an amazing thing missing from the entire Republican National Convention: Math. Get through the har-har-oh-my-gosh-he's-talking-so-long jokes in the beginning of Stewart's segment, and you'll find a thoughtful and disarming argument from Stewart that, despite being wrapped in laughs, makes you question why more politicians won't talk to us like we're smart.