christine, let s put in context beijing 2022 olympics. that s where the world stage is coming back here to the people republic of china. it puts on the pressure of showing a unified china, more powerful china, certainly more powerful than 2008 the last time they hosted an olympics. you also have next year the congress party. that is traditionally, christine, the transition of power, but we know that president xi is very likely to move forward with continuing on as the leader here as he abolished the term limits. and so it s likely that he ll want to continue to build up his legacy. what better way to do that than by reunifying taiwan and the mainland. david, this is an incredibly important story with implications around the world, no question. and a challenge for this white house. thank you so much. david culler from shanghai this morning. coming up for you a mental health crisis. college students facing enormous pressure, enormous anxiety during this pandemic. what one major unive