CNN New Day May 18, 2015 10:03:00
Meanwhile, new information from the train's 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. let's 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 would it accelerate twice the double limit? >> the only way to explain sit if the engineer was dis...