Los Angeles June 21, 2016 2:49 am ‘Tonight Show': Know It All With Blake Lively Jimmy Fallon and Blake Lively face off in a game of knowledge and deception to see who can name more things in different categories before time runs out. US & World Videos 1:40 Democrats say Big Oil misled public for decades about climate change 4:14 What to expect: Previewing the 2024 Met Gala 3:37 Learning about the Art Resource Collaborative for Kids 3:25 Mother's Day gift ideas with William James Gifts 1:35 Understanding the Biden administration's plans to reclassify marijuana