at correlating it with other accidents, we will certainly do that. we don't start out with that correlation, however. >> i know you have seen a lot of these in your day. all but one car i believe, right, completely came off the track. what was it leak to e't it at the scene? >> well, in fact, all of these cars including the locomotive come off the tracks. it was -- every time you see one of these scenes, it's unique, it's different, and quite humbling. >> now, lives were lost, suddens were injur dozens were injured, some critic chicago was eight somewhat lightly populated, it would have been more populated this morning. what do you think would have happened then? >> well, looking at the configuration of the wreckage and the condition of the cars, certainly had there been more