“while reciprocity is a valid concept, it is practically impossible to be agreed internationally. Religions have cross border followings. Which city in the Muslim world should reciprocate the construction, for example, of a Ground Zero Mosque? Should it be Mecca, Damascus, Qom, or Karachi? Would the construction of a mosque in a less sensitive American location mean the construction of a church in a less important Muslim city? How and who would rank the "religious index" of world’s cities?”