Train Throttle Forward News Today

Meanwhile, new information from the trains black box, investigators say the data shows bostian manually pushed the train throttle forward, which could have led to that deadly acceleration that caused the crash. the question remains why? alisyn. >> thank you so much for all that background. lets bring in mary schiavo, the department of transportation and cnn aviation analyst. good morning mary. >> good morning. >> mary can you explain this connection? if this train was struck by a projectile why ...