you know, it depends on the amount of tonnage that is moving. it depends on the kind of track and what kind of product you're moving on it. but they certainly need to be doing more and we'll be urging them to do more. >> sarah fineberg, acting administrator of the federal railroad administration. really appreciate you being here tonight. thank you. >> great to be with you. >> we have these esoteric fights about regulation and the role of government and whether or not business needs to be free to use the invisible hand of capitalism to make everything safe and fine. somebody like the federal railroad administration is the sharpened of the stick in terms of finding out what need to be done by government because it won't be done by industry. there is the stuff it come dn to in real life, real safety, real people's back yards. we'll be right back. you get used to sweaty odors in your car