new video in a boston train stati station, i man walks off the tracks and doesn t move. trace? reporter: we are told there is no mediate an rail himself. as he watch him fall here. this is a newly minted doctor. he lost his balance and fell. some passers by were stunned and finally others down in the pit and pulled him out to safety. the 33-year-old man told him that he had two drinks celebrate passing those exams and doesn t remember anything else. he says he doesn t remember falling in the pit and laid there and doesn t remember being