February 21: President Biden’s National Security Adviser on the Ukraine crisis. Rollercoaster weather across the U.S. Queen Elizabeth tests positive for Covid. School officials investigating brawl after Wisconsin and Michigan basketball game.

Tom Llamas and Sheinelle Jones speak with Jake Sullivan, President Biden’s national security adviser, on the Ukraine crisis. Plus, Al Roker is tracking rollercoaster-like temperatures across the U.S. and a new round of storms. Also, the latest on how Queen Elizabeth is feeling after testing positive for Covid. And, school officials are now investigating a massive brawl involving Juwan Howard at the end of a Michigan and Wisconsin basketball game.