PBS News Hour S43 E53 March 14, 2018

Wednesday on the NewsHour, students across the nation walk out of school to protest gun violence, one month after a mass shooting at a Florida high school. Also: The UK retaliates for the death of a former Russian spy, remembering the life of Stephen Hawking, Germany's plan to combat growing anti-Semitism and a program that teaches self-defense to people with disabilities.