October 7, 2015 3:06 am Jay Leno Jumps In to Deliver ‘Tonight Show' Monologue Jokes After Jimmy Fallon pulls a hamstring during the “Tonight Show” monologue, Jay Leno tags in and tells a few jokes. US & World Videos 2:09 President of MIT calls for shutting down pro-Palestinian encampments 3:57 Pleasant Sunday despite morning showers 1:00 Three dead in apparent murder-suicide in Lowell 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger