President Biden says he and European leaders are in total unanimity after urgent talks on the threat of a Russian invasion of Ukraine. The Pentagon has thousands of U.S. troops on alert as the crisis intensifies. Pentagon Press Secretary John Kirby joins to examine the threat of conflict.  With nationwide attention on crime, New York City’s mayor unveils an ambitious plan to crack down on gun violence. The plan comes after another weekend of senseless shootings, including the killing of a rookie NYPD officer. To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices