In this photo provided by NBC, Conan O'Brien interviewed by Jay Leno during Leno's final taping as host of The Tonight Show in Burbank, Calif. on Friday, May 29, 2009. (AP Photo/NBC, Paul Drinkwater)
January 19, 2010 7:37:46 AM PST
By LYNN ELBER, AP Television Writer
LOS ANGELES - January 19, 2010 --
Jay Leno turned serious on his show to discuss the late-night chaos at NBC, telling viewers that he'd been doubtful about launching a prime-time show but was prevented by NBC from going to another network instead.