Is Huckabee's highway plan the nuttiest thing to come out of this presidential election? I don't want to speak too authoritatively, because I certainly haven't tried to catalogue every nutty thing everyone has said. But it certainly seems like a good candidate. I say that as the daughter of an avid transportation infrastructure advocate--indeed, my dad just co-authored a report on transportation finance for the next 50 years, which I hope he'll be joining me for a podcast on next week. Transportation spending takes years, even decades, to complete, which makes it less than ideal for stimulus spending. In a...