Prominent Washington correspondents discuss topics making headlines around the world.
Thailand says it knows how is behind a string of deadly bombings. Missing Nigerian girls appear to show up in a Boko Haram video. Rio Olympics pools turn green. Country music honors Lady Antebellum.
Is military action the only way to retake Mosul from Islamic State. Fallout from Turkey's failed coup. Who's voting for Trump. Hottest trends on social media.
