That’s because cities are more liberal, and Romney isn’t a conservative.
Here’s a very interesting interview that Rick had with Laura Ingraham this morning:
http://www.lauraingraham.com/pg/jsp/charts/streamingAudioMaster.jsp?dispid=302&headerDest=L3BnL2pzcC9tZWRpYS9mbGFzaHdlbGNvbWUuanNwP3BpZD0xMjQ3Nw%3D%3D++