Detailed text transcripts for TV channel - MSNBC - 20150514:06:06:00
Zone that was only 50 miles an hour. >> what is the margin on a train and rails? is there any way to say there is always going to be a give like a race car driver know there's is a certain margin of danger that he is willing to accept. is there a certain margin you can go over the speed limit. say it's supposed to be 50, the you had been going 70. but he went 106. it seems like that would be well beyond any kind of margin. >> yeah, train engineers are tested periodically and randomly. they don't even know they're being tested. sometimes their there are speed guns, like highway patrol officers....