http://tags.library.upenn.edu/tag/urban_studies+creative_class PennTags Feed http://tags.library.upenn.edu/makerecord/url/9585 http://tags.library.upenn.edu/makerecord/url/9585 The Atlantic Monthly | October 2006<br />The Nation In Numbers<br /><br />Where the Brains Are<br />America&rsquo;s educated elite is clustering in a few cities&mdash; and leaving the rest of the country behind<br />by Richard Florida