David Letterman, seen here snapping a selfie with his replacement Stephen Colbert, will step down next week as host of the Late Show. Getty Images hide caption

toggle caption Getty Images

Craig Ferguson hosts The Late Late Show in 2011. Sonja Flemming/AP hide caption

toggle caption Sonja Flemming/AP

Louisville basketball player Kevin Ware talking with reporters Wednesday, as coach Rick Pitino looked on. Timothy D. Easley/AP hide caption

toggle caption Timothy D. Easley/AP

In this image taken from video and provided by Worldwide Pants, Inc., Republican presidential candidate Rick Perry presents the "Top Ten Rick Perry Excuses," on the set of the Late Show with David Letterman. AP hide caption

toggle caption AP

NPR thanks our sponsors

Become an NPR sponsor