Disgusting vermin multiplying before our eyes, threatening to take over modern civilization? It's the unsettling new documentary “Rats” that takes us deep into the infestation of rats around the world. Our host Christina Jeurling Birro is joined this week by the films director Morgan Spurlock who also brought us Freakonomics, Where in the World Is Osama Bin Laden and Oscar nominated Super Size Me for which he gained 25 pounds eating only McDonald’s for a month.Learn more about your ad choices. Visit megaphone.fm/adchoices