February 3, 2014 10:54 am “Tonight Show” In Transition Jay Leno’s final show as host of “The Tonight Show” is this Thursday and Jimmy Fallon will take over later this month. Many media watchers are predicting this transition will be a smoother than the last one. US & World Videos 0:40 Watch: Police dog tracks and finds missing 85-year-old woman in Colorado 1:19 Met Gala 2024 after party looks: Cardi B, Lana Del Rey, EmRata 6:22 Craig Melvin compares ‘TODAY' crew to NASCAR 1:02 Judge indefinitely delays Trump's classified documents criminal trial 2:48 FBI provides new details in case against man accused in wife's disappearance in Spain