World News Roundup: 04/22

New evidence of possible Russian war crimes in Ukraine. Top Republicans discussed a Trump resignation. Punched on a plane by Mike Tyson. 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