Article Photos: Analysis: Diplomatic window closing on Iran



  Demonstrators protest against Iranian Foreign Minister, Ali Akbar Salehi prior to a speech of Salehi at the German Council Of Foreign Relations, a think tank for foreign policy, in Berlin, Germany, Monday, Feb. 4, 2013. The German phrase on the poster reads: 'Comprehensive and immediate UN-Sanctions against the Mullahs in iran.' (AP Photo/Markus Schreiber)

Demonstrators protest against Iranian Foreign Minister, Ali Akbar Salehi prior to a speech of Salehi at the German Council Of Foreign Relations, a think tank for foreign policy, in Berlin, Germany, Monday, Feb. 4, 2013. The German phrase on the poster reads: 'Comprehensive and immediate UN-Sanctions against the Mullahs in iran.' (AP Photo/Markus Schreiber)