PBS News Hour - Season 42 Episode 151 July 31, 2017
Overview: Monday on the NewsHour, President Trump removes his controversial communications director on the day his new chief of staff takes over. Also: The expanding range of North Korean missiles, Russian sanctions prompt tit-for-tat from Putin, political stakes for the new White House chief of staff, surfer girls making waves in Bangladesh, lessons from Watergate and remembering Sam Shepard.