U.S., Europe intensify diplomatic efforts to defuse Russian aggression toward Ukraine

Summary: It was a day for diplomacy on the Ukraine crisis, from Washington to Moscow and beyond. All this as 100,000 Russian troops mass on the border with Ukraine. Russian President Vladimir Putin and French President Emmanuel Macron met for talks as President Biden and German Chancellor Olaf Scholz tried to present a united front. Nick Schifrin reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders