these olympics playing out amidst an increasingly divided world. erin, as you and i have been talking about, there's so much going on geopolitically and chinese leadership thought they would find a win amongst the domestic audience. the chinese audience love an olympic games, especially when they are hosting. the worsening covid restrictions, they have kept many chinese families separated during the chinese new year and here in beijing folks are feeling disconnected from any olympic spirit because you've got barriers going up everywhere, erin. >> the barriers are just incredible. it's like a totally different world. thank you so much for your reporting, david, from beijing tonight. next, a captivating new documentary follows putin's top cricket as he takes on the russian president and investigates how alexei navalny was poisoned. and british prime minister boris johnson apologizes again as he tries to save his political life, but is it way too late?