CBS Evening News with Norah O'Donnell 05/20

On tonight's CBS Evening News podcast, disaster in Michigan as flooding forces thousands to evacuate -- the latest from the scene. Also, another coronavirus vaccine update -- this one out of Harvard -- what it's showing in monkeys and how it's giving researchers a reason to hope. 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