August 16, 2014 12:24 am Fallon: Demi Lovato Talks “Dateline NBC” Obsession Jimmy Fallon chats with Demi Lovato about her world tour, diving with sharks and her obsession with crime investigation shows. US & World Videos 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South 0:48 World Central Kitchen to resume operations in Gaza 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner