Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/pbs-newshour-weekend-full-episode-april-18-2015 Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Saturday on the News Hour... On this edition for Saturday, April 18th, 2015, the Islamic State expands its reach as authorities blame the terror group for a suicide bombing that killed dozens of people in Afghanistan. Later, a former national security official weighs in on what the turmoil in Iraq, Syria and Yemen means for the United States. And, in our signature segment, will a lawsuit filed on behalf of teen environmental activists force the government to do more to fight climate change? Hari Sreenivasan anchors from New York. Listen to the Broadcast Subscribe to the Full Show Podcast Segments From This Episode The hack attack that takes your computer hostage till you pay 8 min Threat of terror groups builds following ISIS suicide bombing in Afghanistan 5 min Why are psychiatrists turning away patients who can’t pay cash? 3 min Has Hawaii’s solar energy industry become too popular? Viewers weigh in. 2 min These teens are suing Oregon to force action on climate change 9 min