A Minnesota Dairy Queen has been swarmed with dozens of phone calls, hundreds of comments and an influx of business after a story about their 19-year-old manager’s courageous defense of a blind man went viral on Reddit. Joey Prusak, who has been working at the popular fast-food restaurant for nearly five years, told TheBlaze Wednesday he was “shocked” and “sickened” by what he saw happen to a blind man at the hands of an elderly lady. Prusak said that last Tuesday, one of his frequent guests, a man who is blind, walked into the local Dairy Queen. When the blind...