Bill Cosby’s friendly competition with George Carlin

All of the buzz Monday night had comedy fans watching and talking about Conan O'Brien, but over on the CBS television network, David Letterman had Bill Cosby on as a guest, and Cosby — though he gets sidetracked a lot easier now in his advanced age — recounted a story of a friendly competition he had with the late George Carlin. But first, a little story about a routine Cosby and Carlin both used onstage about pro athletes hawking products in TV ads. It'll all make sense somehow.