World News Roundup: 09/27

Investigators search for the cause of a deadly weekend Amtrak derailment. Concern about staffing shortages as New York's vaccine mandate for healthcare workers takes effect. Liz Cheney says she was wrong to oppose gay marriage. 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