This is the story of an IT worker who was replaced by a worker on an H-1B visa, one of a number of visa holders, mostly from India, who took jobs at this U.S. company. Computerworld is not going to use the worker's name or identify the companies involved to protect the former employee from retaliation. For purposes of this story, the worker has been given initials -- A.B. (They're not the person's real initials.) At A.B.'s company, about 220 IT jobs have been lost to offshore outsourcing over the last year. A.B. is telling the story because, initially, there...