An Iranian woman shows US dealers in a currency exchange office in a shopping center in Tehran on December 22, 2010. The Iranian currency, the Rial, was trading at 15,800 to the dollar -- its lowest point ever, and an indication of the fragility of the economy as ramped-up Western sanctions bit as Iranian President Mahmoud Ahmadinejad put the currency slide down to "rumours" started by profiteers and sought to reassure the public that the economy was "stable and calm," in a speech broadcast on state television. AFP PHOTO/ATTA KENARE (Photo credit should read ATTA KENARE/AFP/Getty Images)
