Iran's supreme leader Ayatollah Ali Khamenei delivers the sermon of the weekly Friday prayers, with a portrait of the late founder of the Islamic republic Ayatollah Ruhollah Khomeini in the background, at Tehran University 19 August 2005.  Iran's Islamic regime is as "solid as a mountain" and can easily stand up to international pressure for it to abandon sensitive nuclear activities, supreme leader Ayatollah Ali Khamenei said today. AFP PHOTO/ATTA KENARE (Photo credit should read ATTA KENARE/AFP/Getty Images)