World News Roundup: 07/30

CDC concerned over just how fast the Delta variant is spreading. COVID outbreaks at camps leads to worries about schools. Allegations of doping in the Olympic pool. 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