CBS Evening News with Norah O'Donnell, 07/30

On tonight's CBS Evening News podcast -- super-spreader fears as hundreds of thousands gather at the Lollapalooza music festival in Chicago. Also -- the war on COVID has changed. New data from the CDC shows how easily the Delta variant can spread. Dr. Jon LaPook weighs in on what it could mean for vaccinated Americans. 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