Over at the Atlantic Cities, Kaid Benfield has an "urbanist" case for the DC height limit, which might really be an elaborate plot to get Ryan Avent and Matt Yglesias prescriptions for blood pressure medication. But let's assume not. First, let me clear away one small annoyance before getting to the meat of the case: Banfield's repeated implication (which is common in this type of argument) that everyone who disagrees with him is a whinging carpetbagger who hasn't earned the right to opine on his favorite city: That said, I can’t sit on this any longer: the law that restricts the height of buildings in D.C. is under attack from all sorts of sources (many of them out-of-towners or relative newcomers to the city, probably not a coincidence). Now, maybe I'm just a whinging carpetbagger who hasn't earned the right to opine on such things, but this is bogus (I do live in DC, for the record). We don't say that political reporters have to live in Ohio f