World News Roundup: 12/08

Pfizer says three doses of its vaccine are needed to neutralize the Omicron variant. Social media showdown at the Capitol. It's December. So, where's the snow in Colorado? 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