A ferry in the distance, a plane overhead. A couple having tea and a group of young men hanging around, enjoying the view along with everyone else. Small waves full of jellyfish rolling through time. Cement sidewalks wet with drops from splashes against the rocks. It is one of the reasons that Istanbul is so magical. In so many big and small ways, the Bosphorus is Istanbul. The attack last Saturday on İstiklal Avenue shook me up. Not just because it happened in a place that I have walked often, a short distance from my apartment, but because I don’t…