>> well, again, we still don't know the cause of this particular accident. there is still a lot of questions to be answered. but separate and apart from that, i can tell you that our infrastructure system needs more investment and we need to take a hard look at the policies that are in place as it relates to that infrastructure. this country is too great, we've been given too much to leave the next generation with a crumbling infrastructure infrastructure, with bridges that need repairs, with tracks that need to be replaced with rail systems that need to be improved. this country is too great ...