PBS News Hour S42 E215 October 27, 2017

Friday on the NewsHour, Defense Secretary James Mattis makes an unannounced visit to the demilitarized zone that divides North and South Korea. Also: An HBO executive shares her sexual harassment experience, concerns about the upcoming Census, Shields and Brooks weigh in on the Republican divide, Jesmyn Ward's newest novel and a view on compassion for North Korea.