Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/pbs-newshour-full-episode-july-22-2015 Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Wednesday on the NewsHour... Wednesday on the NewsHour, a police dashboard camera video of Sandra Bland’s arrest in Texas reveals a hostile interaction. Also: A Nazi hunter who pursues war criminals to the grave, the benefit of targeting Alzheimer’s disease at early stages, training today’s teachers to be better educators and a visit with this year’s Pulitzer Prize-winning poet. Listen to the Broadcast Subscribe to the Full Show Podcast Segments From This Episode Hacking researchers kill a car engine on the highway to send a message to automakers 8 min You can now watch a century of historic newsreels on YouTube 2 min Two drugs show promise in slowing Alzheimer’s progression 6 min Pulitzer winner wants his readers to question their limits 5 min Today’s newest teachers face tough job odds, high turnover 8 min Nazi hunter targets 90-year-old former labor camp guard in Denmark 7 min Should Sandra Bland have been arrested? 6 min News Wrap: Chattanooga shooter acted alone, says FBI Video reveals hostile turn in Sandra Bland traffic stop 3 min