World News Roundup: 02/15

Shock and resolve after the mass shooting at Michigan State. Spy balloon tracked from the start. Health concerns after OH train derailment. 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