Summary: The White House is facing questions about President Biden's statement this week that Russia's campaign in Ukraine was "genocide," a claim he later walked back. But what constitutes genocide, and what's the impact of the president's words? John Bellinger, who served as a lawyer for the National Security Council and State Department under the Bush administration, joins Nick Schifrin to discuss. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
