High speed rail remains a sort of punching bag when it comes to rhetoric about government spending and America’s unstoppable devotion to the automobile. I’m not one to get too political about sustainability since I think it should be a non-political common sense issue. But sometimes I have to let things fly. Even in an era of deep deficit, some government spending is a good thing, and High Speed Rail happens to be high on that list. First, let’s run down a few of the reasons why:High Speed Rail is the most important US infrastructure project since the interstate highway...