Leave a comment 0comments Share Copy URL https://www.pbs.org/newshour/show/september-23-2018-pbs-newshour-weekend-full-episode Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Sunday on the News Hour... On this edition for Sunday, Sept. 23, President Trump prepares to address world leaders at the UN General Assembly, and scientists study the impact of microplastics on humans and the environment. Also, architects cite human rights violations in a campaign against designing solitary units in prisons. Hari Sreenivasan anchors from New York. Listen to the Broadcast Subscribe to the Full Show Podcast Segments From This Episode Architects designing for prisons confront ethical questions 9 min Scientists study the impact of hidden plastic to curb pollution 4 min Trump to champion sovereignty at UN General Assembly 4 min