WATCH LIVE: 'Any...Russian units move across the Ukrainian border, that is an invasion," says Biden
PBS, 20 Jan 2022
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