Pain has become a companion for Rafael Diaz Jr. Whether he is asleep or wide awake, he can't escape it. "There is a tremendous amount of pressure around my eye," he said. "During the middle of the night it is hard because the pain is so sharp. And when I wake up in the morning, I keep asking myself, 'Why did they do this to me?' " It has been about two weeks now, and no one really knows why a group of teenagers and young adults ambushed Diaz's tanker truck off of Donald Lee Hollowell Parkway while he was...