MSNBC's Ari Melber hosts "The Beat" on Wednesday, February 14, and reports on the shooting at the Kansas City Chiefs Super Bowl parade, with updates from city officials. Jesse Kirsch, Jim Cavanaugh, Cedric Alexander, Maxwell Frost and Jemele Hill join. Plus, Melber delivers instant analysis to the breaking news that Jack Smith filed a SCOTUS response to Trump's immunity filing. Andrew Weissmann, Neal Katyal and Gordon Sondland join.
