Intense day of activity at NATO summit

In Brussels for the emergency NATO summit, President Biden pledged another billion dollars in humanitarian assistance for people impacted by Russia's invasion of Ukraine and said the US will take in up to 100,000 refugees fleeing the war. Meantime NATO says it’s beefing up its posture to deal with the crisis and plans to reinforce its WMD defenses. NATO Secretary General Jens Stoltenberg talked to Christiane on the ground in Brussels. Also on today's show: Former US Secretary of State Hillary Clinton discusses the legacy of Madeleine Albright, America's first female Secretary of State, who died yesterday at 84.  Former counter-terrorism official Richard Clarke addresses the alarming threat of cyberwarfare. To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices