Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/pbs-newshour-weekend-full-episode-october-18-2015 Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Sunday on the News Hour... On this edition for Sunday, October 18th, 2015, Israel imposes new security measures to cope with daily street attacks, in our signature segment, American ports enter a costly race to modernize and stay competitive, and the complicated task of dismantling Iran's nuclear program begins. Hari Sreenivasan anchors from New York. Listen to the Broadcast Subscribe to the Full Show Podcast Segments From This Episode Organizers scrap viral tests of Rio’s sewage-filled waters ahead of Olympics 2 min It’s launch time for the Iran nuclear deal, but will there be any action? 4 min Israel responds to deadly wave of knife attacks with new police powers 4 min