BUFFALO — Buffalo was riding a decade-long economic turnaround when a racially motivated attack by a gunman killed 10 people in May, overshadowing the progress. While the city grieved, it also had to reckon with unflattering portrayals of the East Side, the impoverished neighborhood where the massacre took place.
Those harsh takes tell only part of the story, say residents, business owners and city officials. Now, they are determined to put…