by Chelsea StewartBuzzFeedBuzzFeed StaffI'm Chelsea, the Weekend Editor at BuzzFeed, where I cover everything from pop culture and politics to TV and celebrity news. 1. JD and Usha Vance got booed at the Olympics opening ceremony. Defodi Images / Getty Images 2. Canada's men's and women's curling teams faced accusations of cheating. Odd Andersen / Getty Images, Jung Yeon-je / Getty Images Both have denied wrongdoing. 3. Lindsey Vonn crashed moments into her downhill run after vowing to race despite a recent ACL injury. Handout / Getty Images 4.