The Dallas-to-Houston bullet train rolled a few inches closer to the starting line Friday with the release of a long-awaited federal study that narrows down several possible routes to a single path through powerline easements. The Draft Environmental Impact Statement, released by the U.S. Department of Transportation, doesn't necessarily endorse the so-called Utility Corridor. The feds still have 60 days to hear from the public before a final decision is made at a date undete