World News Roundup: 05/18

Too close to call in closely watched Pennsylvania Senate race. Missed opportunities in the Buffalo investigation. Expanding NATO. 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