I don't deny that subways in NYC are an overall benefit, or that it can be tough to fully capture in numbers its usefulness. But somehow the money has to be pa

I don't deny that subways in NYC are an overall benefit, or that it can be tough to fully capture in numbers its usefulness. But somehow the money has to be paid back, or else there has to be a consensus that "we won't get the money back directly but it is a good thing to do for NYC" with NYC taxpayers then picking up the slack.