ISTANBUL — An Egyptian criminal court stalled again May 9 on delivering a verdict against Shaiboub William Arsal, the Coptic Christian defendant in the highly-publicized El-Kosheh double-murder trial. On May 7, the three-judge panel hearing Arsal’s case before the Sohag Criminal Court pledged to release their verdict May 9. Instead, citing “procedural technicalities,” the court postponed the decision until June…