Detailed text transcripts for TV channel - MSNBC - 20171220:10:46:00
Engineer may have been distracted by an employee at the time of the derailment. >> heartbreaking. all right. officials say its too early to determine why the train was going too fast but there are questions to be raised about safety. new technology known as positive train control was on the tracks in washington but wasnt operational yet. nbcs news tom costello has more. >> reporter: among the questions for federal investigators did the engineer know the track he was on? had he done the test ru...
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