The history of Olympic boycotts; 'The Power of the Dog' leads Oscar nominations

The U.S. is engaging in a diplomatic boycott of the Olympics to call attention to China's alleged human rights abuses. Former Olympic soccer player and author Jules Boykoff explains that the boycott draws upon a long tradition. And, nominees for the 94th Academy Awards were announced Tuesday morning in Los Angeles. KPCC entertainment reporter John Horn joins us to discuss.