Joe Biden suffers a hot mic moment. Taylor Swift in online feud with Damon Albarn. Pentagon puts 8,500 troops on 'heightened alert' as U.S. weighs military action against Russia. Calls for Pepsi boycott after Texas GOP donation discovered. Digital SAT. Biden approval ratings. Neil Young asks Spotify to either remove his music or ban Joe Rogan. Learn more about your ad choices. Visit megaphone.fm/adchoices