Teachers are stressed at a higher rate than other working adults; how states can play a role in preventing mass shootings; \u201cdon\u2019t poke the bear\u201d as a flawed model for U.S. strategy toward Russia; San Francisco\u2019s open-air drug dealing problem and what to do about it; and countering violent nonstate actors. For more information on this week\u2019s episode, visit rand.org/podcast.