AdvertisementGAZIANTEP, Turkey — security officers hung Muhannad Ghabbash from his wrists for hours, beat him bloody, shocked him with electricity and stuck a gun in his mouth.Mr. Ghabbash, a law student from Aleppo, repeatedly confessed his actual offense: organizing peaceful antigovernment protests. But the continued for 12 days, until he wrote a fictional confession to planning a bombing.That, he said, was just the beginning.He was flown to a crammed prison at Mezze air base in Damascus, the Syrian capital, where he said guards hung him and other detainees from a fence naked, spraying...…AdvertisementGAZIANTEP, Turkey — security officers hung Muhannad Ghabbash from his wrists for hours, beat him bloody, shocked him with electricity and stuck a gun in his mouth.Mr. Ghabbash, a law student from Aleppo, repeatedly confessed his actual offense: organizing peaceful antigovernment protests. But the continued for 12 days, until he wrote a fictional confession to planning a bombing.That, he said, was just the beginning.He was flown to a crammed prison at Mezze air base in Damascus, the Syrian capital, where he said guards hung him and other detainees from a fence naked, spraying...WW…