World News Roundup: 03/23

10 killed in Colorado supermarket massacre. New questions about Astra Zeneca's vaccine trial. A Chicago suburb approves reparations. 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