Alaska March 7, 2022 8:34 am Dog Sled Teams Begin 925-Mile Trek at 50th Iditarod Race The 50th Iditarod Sled Dog Race kicked off on Sunday as 49 mushers and their team took off from the start line in Willow, Alaska. US & World Videos 1:36 Arizona Senate repeals 1864 abortion ban 1:40 Democrats say Big Oil misled public for decades about climate change 1:45 NYPD enters Columbia University in riot gear to clear protest 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look