WORDS ON A WIRE: Billy Collins

From Sept. 23, 2012, Daniel talks with former US Poet Laureate, Billy Collins. The New York Times calls him "the most popular poet in America." Collins talks about his obsession with mortality, and about seeing his poetry come to life through animation. Poet Billy Collins contributes this week's Poem of the Week, reading "Revision" from his latest collection "Horoscopes for the Dead."