World News Roundup: 07/29

President Biden set to announce a vaccine mandate for federal workers amid a nationwide push to get more people protected. More gold in the Olympic pool. The Senate moves ahead on infrastructure. 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