Police in Bend, Oregon, are still investigating the motive behind the deadly shooting at Silver Rail Elementary School. Four people were killed, including three young children and a teacher. Police identified the shooter as a 16-year-old who previously attended the school. They said he attacked a special education classroom before being killed at the scene. William Brangham reports.

President Trump blames high energy prices on Ukraine, not his war in the Middle East, and made a surprise decision to suspend sanctions against Russia on Friday. William Brangham discusses the latest developments in the Ukraine-Russia war with Andrew Weiss. He's a former State Department official and is now with the Carnegie Endowment for International Peace.