After you’ve seen an 11-year-old pallbearer shouldering his best friend’s casket, and after you’ve heard the story of his friend’s suicide, how he hanged himself in the closet of his family’s home, you can'’t really get the image — or the story — out of your mind. I just saw "Bully," the new documentary designed to educate people about the agony some people face at the hands of cruel people. Eleven year-old Tyler is just one of the kids whose story is told in the film. Be