This week on A Prairie Home Companion, a poetry compilation show with a remembrance of Hayden Carruth, a poem by, and song for, Kenneth Rexroth and more Poets Laureate past and present than you can shake a stick at, including: Billy Collins (U.S.), Robert Bly (Minnesota) and Maxine Kumin (U.S./ New Hampshire). Also included are songwriter/poets Elvis Costello, Brad Paisley, Nellie McKay and Nick Lowe. Plus the National Champion of Poetry Out Loud (2009). In Lake Wobegon, Judy Inqvist volunteers to chaperone the sophomore class to the zoo in order to gather material for a poem she's writing.