Open this photo in gallery: Flowers are placed near photographs of the victims killed in last year's racist massacre at a Buffalo supermarket as their lives are commemorated during the 5/14 Community Gathering for Reflection, Healing, and Hope at the Johnnie B. Wiley Amateur Athletic Sports Pavilion in Buffalo, N.Y. on May 13.Libby March/Buffalo News/The Associated Press A bell chimed 13 times after people paused for a moment of silence Sunday to remember the 10 people killed and three wounded in a racist attack at a Buffalo supermarket one year ago. Mayor Byron Brown read the names of the victims...