An elderly Greek Orthodox priest shouted “Pope, you are a heretic” as Pope Francis was entering the Orthodox Archbishopric in Athens on Saturday and was taken away by police, a reminder of the lingering distrust between the two divided churches.Video showed the man, who was dressed in black robes and black hat and had a long white beard, shouting the words in Greek outside the building before police bundled him away.Witnesses said he shouted loud enough for the pope to hear the commotion. The…