The U.S. and Taliban are in the midst of peace negotiations, but many Afghan women fear losing their rights if a deal comes to fruition. Also, as Democrats debate which candidate will be the most electable on the ballot next to President Trump in November 2020, we look at how voters determine candidates' electability chances. And host Jeremy Hobson speaks with the researchers behind a device that could detect THC — the main psychoactive ingredient in cannabis — in someone's breath.