News Wrap: Biden sends thousands of troops to Europe as Russian forces amass near Ukraine

In our news wrap Wednesday, President Biden ordered several thousand U.S. troops to take up new positions in Eastern Europe as Russian forces crowd Ukraine's borders, militia fighters in Congo killed at least 60 people at a refugee camp, Jeff Zucker resigned as president of CNN, major oil-producing nations have agreed to raise output, and competition began in the Beijing Winter Olympics. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: Facebook: http://www.pbs.org/newshour Twitter:   / newshour   Instagram:   / newshour   Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe