(AGI) Tehran, July 8 - Iran's supreme leader, Ayatollah AliKhamenei has outlined his conditions for a possibleinternational agreement on Iran's nuclear programme. AliKhamenei said his country needs 190,000 nuclear centrifuges,which is 19 times more than the U.S. would allow. His words,published on his website, represent a dramatic intervention inthe crucial negotiations in Vienna between Iran and the 5+1Group of Great Britain, France, China, Russia, and the UnitedStates plus Germany. . .