Actor Harry Shearer is perhaps best-known for his work on "The Simpsons," providing the voices for Mr. Burns, Smithers and Ned Flanders, among others. But he's also a public radio talk show host, musician, author and film director. In his new documentary "The Big Uneasy, " the New Orleans resident investigates the failure of the levee system in Hurricane Katrina and exposes problems with the rebuilding of the system.
He joins host Michael Krasny in the studio. Shearer has also starred in films including "This is Spinal Tap" and "A Mighty Wind."