AdvertisementU.S. Lays Out Case For Assad's Culpability In Chemical Weapons AttackApril 11, 2017Camila DomonoskefacebookEmailA minivan drives past a portrait of Syrian President Bashar Assad in Damascus last week. U.S. forces fired a barrage of cruise missiles at a Syrian air base Thursday in response to what President Trump called a "barbaric" chemical attack he blamed on the Assad regime. (AFP/Getty Images)