The German newspaper Der Spiegel over the weekend revealed that not only did the U.S. monitor the cellphone of German Chancellor Angela Merkel, it also allegedly utilized the American embassy in Berlin as a listening station by means of a windowless structure filled with hi-tech gadgetry on the roof to monitor cellphone and other sensitive communications.An Israeli intelligence analyst has now discovered similar mysterious white structures positioned on the rooftops of many key American embassies including in Beijing, Moscow, and Tel Aviv and published the photos to support his claims. While the structures appear to have a solid exterior, they...