Sara K. Schwittek/Reuters The surreal nature and unfolding horror of 9/11 is unforgettable. But 20 years later, my most enduring memories are small vignettes from that day and the days that followed. My most poignant memory was of a Muslim man and his son walking near shops in my neighborhood carrying a white flag. We are not tourists or terrorists they seemed to say. We are your neighbors, and we are not a threat. How was it possible that someone in my community felt they had to carry a white flag of …
