World News Roundup: 07/29

Officials worry about a coronavirus surge in several states. The President doubles down on a discredited treatment. Tech CEOs address misinformation on Capitol Hill. CBS News Correspondent Steve Kathan has today's World News Roundup. 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