World News Roundup: 12/07

Russian aggression against Ukraine high on the agenda for today's Biden-Putin conversation. The fast-spreading Omicron variant. 80 years since the attack on Pearl Harbor. 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