Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/pbs-newshour-weekend-full-episode-may-21-2016 Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Saturday on the News Hour... On this episode for Saturday, May 21, investigators confirm there was smoke aboard EgyptAir flight 804 before it disappeared this week. Later, hear why a growing industry is relying on the collection of DNA samples and what a decline in opioid prescriptions might mean for drug overdoses. Alison Stewart anchors from New York. Listen to the Broadcast Subscribe to the Full Show Podcast Segments From This Episode What’s next for San Francisco after its police chief’s resignation? 3 min How a research campus in North Carolina deals with ethical questions on biobanking 10 min What to expect ahead of Obama’s visit to Japan 2 min Prescriptions for opioids decline amid epidemic