In Iowa's Ames Straw Poll this weekend, Michele Bachmann bested 2nd place Ron Paul by less than 200 votes. And yet, in the immediate spin cycle at least, pundits talked about Rick Perry, Mitt Romney and Bachmann. Paul seemed to be, as his supporters always point out, invisible. Last night on The Daily Show, Jon Stewart became the latest to weigh in on the habit of ignoring Paul. After playing a few highlight reels showing anchors going out of their way not to mention the libertarian firebrand, he incredulously asks:  "How did libertarian Ron Paul become the 13th floor in a hotel?"