A court in the Egyptian city of Alexandria began the trial Saturday of a man accused of stabbing to death a Coptic Christian priest, an attack that shocked the Arab World’s most populous country. The case dates to early April when Arsanious Wadid, a 56-year-old priest, was killed at popular seaside promenade in the Mediterranean city. Arsanious Wadid (56), a Coptic priest, was stabbed to death in the northern Egyptian city of Alexandria on Thursday evening. Rest in peace. 🕯 pic.twitter.com/l5qZrP5VuV — Andreas Fagerbakke (@afagerbakke) Prosecutors accused the suspect of stabbing the cleric to …