Tonight Show Guest Host David Letterman

The economy may have hit the broadcast business hard, but TV critic David Bianculli says the future is looking bright — for cable, anyway. He joins Terry Gross to talk about the best and the worst television of '09 and what we can look forward to in '10.

Terry continues her interview with Jay Leno. He talks about his early career and how he developed his style of humor.

Former staff members on The Johnny Carson Show, Mike Huber and Barbara Bowen. They were, respectively, correspondent and co-correspondent for Carson and had the job of reading letters sent from fans and non-fans of the show. They collected the most memorable ones in the new book, "Dear Johnny."