January 11, 2018 8:13 am Julia Marino and Ryan Stassel Explain Big Air Snowboarding With Legos Big air snowboarding will make its Olympic debut in Pyeongchang. U.S. snowboarders Julia Marino and Ryan Stassel explain how it works with the help of Legos. US & World Videos 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 1:01 Biden administration plans to reclassify marijuana as a Schedule III drug 2:28 King Charles returns to public duties amid cancer diagnosis