On Monday's "Tonight Show," guest – and soon-to-be-host – Jimmy Fallon arrived with a mobile edition of his "Thank You Notes" segment to pay comic homage to Jay Leno. "Thank you, Jay, for giving me ...

Ask late-night couch potatoes what it means to Jaywalk, and if they watch Letterman, they’ll give you a boring answer about crossing the street at the appropriate time and place. But Leno-philes will ...