October 31, 2016 10:10 pm Jay Leno Tags In to Tell ‘Tonight Show' Monologue Jokes Jay Leno tags in to help host Jimmy Fallon tell a few jokes about the return of Hillary Clinton’s email scandal, Donald Trump, Billy Bush and the economy. US & World Videos 2:14 Kate Beckinsale returns to red carpet after hospitalization for mysterious illness 3:15 NSC reviewing cease-fire proposal: ‘I don't know that it gets any more sensitive than it is right now' 2:23 Climate change is moving Tornado Alley and driving more tornado outbreaks 1:47 Reese Witherspoon and Ryan Phillippe's daughter Ava calls out body shamers 5:00 Demonstrations disrupt classes at UCLA