Democratic Debate February 20, 2020 1:31 am Key Moments from the Ninth Democratic Debate Six presidential candidates faced off at the Democratic Debate in Las Vegas, Nev. on Wednesday night. Here are the key moments you may have missed. 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