In the summer of 1979, Neal and Libby DePaul chose Istanbul for their honeymoon—because they were never ordinary people. In the final days of Ramadan, inside the Blue Mosque with ten thousand of the faithful, a small, unremarkable man catches their eye. He places one hand over his chest. He speaks just a few words: We will meet again. It is not a coincidence. As the young couple immerses themselves in the ancient layers of Turkey — navigating Istanbul's grand bazaars, crossing the Bosphorus betw ...