LATAKIA, Syria - The young man’s heart was sliced from his chest and placed on his body. His name was No. 56 on a handwritten list of 60 dead that included his cousins, neighbors and at least six children from their coastal Syrian village.The men who killed 25-year-old Suleiman Rashid Saad called his father from the young victim’s phone and dared him to fetch the body. It was next to the barbershop.“His chest was wide open. They cut out his heart. They put it on top of his chest,” said his father, Rashid Saad. It was late afternoon on March...