PBS News Hour S47 E56 March 21, 2022

Monday on the NewsHour, Ukrainian forces reject demands for surrender in Mariupol as civilians continue to suffer the worst of Russian bombardments of cities. Then, as millions of Ukrainians flee their homeland, we speak to Poland's ambassador to the U.S. about the refugee situation and the war. Also, President Biden's Supreme Court nominee faces the scrutiny of the Senate Judiciary Committee.