CBS Evening News with Norah O'Donnell, 03/22

On tonight's CBS Evening News podcast -- at nearly eighty percent effective in preventing symptomatic COVID, how soon could Americans start getting the AstraZeneca vaccine -- as yet another weapon in the battle against the pandemic. Also -- as March Madness continues to heat up, the new records already being shattered. To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices