Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/pbs-newshour-full-episode-feb-20-2017 Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Monday on the News Hour... Monday on the NewsHour, President Trump announces his new national security adviser after the controversial ousting of Michael Flynn. Also: Mixed messages about American support for NATO, searching for migrants who don't survive the treacherous journey to the U.S. border, our Politics Monday team takes on the latest news, fighting disease in the most polluted city on Earth and more. Listen to the Broadcast Subscribe to the Full Show Podcast Segments From This Episode Who is H.R. McMaster, Trump's new national security adviser? 6 min How U.S. allies are responding to mixed messages of support 8 min These giant sculptures bring new meaning to 'heads of state' 3 min How Trump is doing on staffing, legislation and messaging 8 min News Wrap: Anti-Trump protesters mark 'Not My President's Day' 3 min Fighting to breathe in the world's most polluted city 9 min These volunteers search for migrants who go missing trying to reach the U.S. 8 min