What we know about the Jan. 6 rioters; China's ambitious winter Olympics plans

China has ambitious plans to compete in every winter sport and also to seed a new industry of recreational skiing and skating. The New Yorker's Peter Hessler was there in China to see it — and ski it. And, University of Chicago political scientist Robert Pape has pored over court documents over the past year to learn more about the Jan. 6 rioters. He discusses what he found.