"The Invisible World" with Penn Jillette, Justin Schmidt, and Ted Ramirez

Live Wire goes to Phoenix, where Luke attempts to eat the hottest pepper in the world, entomologist Justin Schmidt tells us what getting stung by thousands of insects has taught him about pain, magician Penn Jillette describes the startling benefits of eating only potatoes, and Tucson’s official troubadour Ted Ramirez sings a love song to his hometown.