PBS News Hour S43 E44 March 1, 2018

Thursday on the NewsHour, tensions brew among White House staff as one of the president's closest aides leaves. Also: President Trump's controversial new tariffs on foreign steel and aluminum, Russia's boasts about new weapons, Jared Kushner's business dealings, women claim pattern of discrimination at the U.S. Forest Service, corporate responses to the gun debate and why music is key to learning.