Leno says goodnight to 'Tonight'
Video duration: 4:46
After 22 years, Jay Leno will offer his final monologue as host of The Tonight Show Thursday. Leno took over the iconic late night television show from Johnny Carson in 1992; now he passes the job on to fellow comedian Jimmy Fallon. Hari Sreenivasan looks at whats next for Tonight with Bill Carter of The New York Times.