House Bands Have It Out

Now in their second season on Late Night with Jimmy Fallon, The Roots are poised to become the biggest band on late night TV. But they've got the old guard to contend with: Paul Shaffer of the Letterman show is still going strong after three decades. On today's Soundcheck Smackdown: the battle of the late night bands. Plus, opera soprano Renée Fleming talks about her controversial new indie rock album.