World News Roundup: 02/07

Training Ukrainians to fight against a potential Russian invasion. Updated CDC guidance on a 4th shot for the immune compromised. Olympic disappointment for an American skier. 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