The mutual obsession betweenIranand theUnited Statescould not be more obvious at the former US Embassy inTehran, where the tour guide the official narrator of the Den of Spies greets an American visitor. Itsyourhome, you can come anytime, says Mohammad Reza Shoghi, tongue-in-cheek, as we step inside to view the array of Spy vs. Spy surveillance equipment ...