One moment, please <a href=" http://itshop.ae/product/41795/ ">generic viagra from india is it safe</a>  Iran now has nearly 200 kilograms (440 pounds) of 20 percent-enriched uranium in a form that can be quickly upgraded for weapons use, says the U.N’s atomic agency, which keeps tabs on Iran’s nuclear activities. That is close to — but still below — what is needed for one nuclear weapon. But even if Iran agrees to stop 20-percent production, ship out its 20-percent stockpile and allow more oversight by U.N. nuclear inspectors, the six powers want more.