difficult position from a legal standpoint, and he has attorney representation and the ntsb will want to talk with him today to see what he remembers and what he was doing, and he will check the record was he using his cell phone prior? what was his health condition? more importantly, what was his schedule the last three or four days to see if he was possibly fatigued. he will look at all the potential human factors that could have contributed to this error. >> the train apparently was going 106 miles per hour as it approached the curve in the tracks and the engineer supposedly hit the emergency breaks and that slowed the train to 102 miles per hour and is there a warning system onboard the train? >> there is not. that's the discussion about positive train control that had a more advanced positive train control been in place, the train