ISIS's Perverse, Bloody Interpretation of Ramadan
“What of the person who spends the sacred month ... oppressing people and killing innocents?”
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Rui Vieira / AP A History of Sarin as a Weapon
It has only been used in three attacks—Tuesday's attack in Syria may have been No. 4.
Ammar Abdullah / Reuters Where Do ISIS Fighters Go When the Caliphate Falls?
They have options.
Ahmad Al-Rubaye / AFP / Getty
