A new report from the research wing of the Canadian military suggests that table-top board games could force military planners to think through their decisions in foreign intervention.
Some Syrians in the town celebrated by cutting off Islamic State-required beards and burning burqas, while others took part in previously prohibited activities like smoking and dancing.
The US is now facing a splintering of what was already a shaky coalition of forces who hold wildly varying priorities.
Turkey's president says a boy as young as 12 carried out a deadly bombing near the Syrian border in the southeastern Turkish city of Gaziantep.
The Islamic State has ignored an offer for its fighters to withdraw safely from the Syrian city of Manbij, and clashes with US-backed forces continued after the offer expired.
The sighting comes days after US special operations troops were photographed and videotaped in Syria on the front lines of a major Kurdish-led offensive against the Islamic State.
The video allegedly shows the firefight in northern Iraq where Islamic State forces overran Kurdish Peshmerga troops and their American advisors.
Since the Islamic State swept into Sinjar in August, 2014, the women have been treated as property of the group's fighters, who marry, trade, or sell them.