Although it’s often difficult to select which current fever dream of the right is the most preposterous and/or destructive, since there are so many, the current obsession with the idea that, somehow, the UN (!) is going to force suburban Americans to crowd into dirty, icky cities with the Blah’s and the other whatchamacallits is more than usually cuckoo. As so often happens large “market” trends have reshaped how cities are developed since the suburban boom of the 50′s and 60′s, and these markets have noticed two things: cities have gotten a lot more desirable as places to live, and more crucially, suburbs have gotten a lot less desirable.