http://www.nytimes.com/cfr/world/slot3_20090220.html
NYT: Iran continues to move forward on developing its nuclear capabilities, and it is close to having what we would call a 'nuclear breakout capability.' That's a problem because once Iran reaches that state then it could make a decision to get nuclear weapons pretty rapidly. In as quickly as a few months, Iran would be able to have enough weapons-grade uranium for nuclear weapons.
NYT: Iran continues to move forward on developing its nuclear capabilities, and it is close to having what we would call a 'nuclear breakout capability.' That's a problem because once Iran reaches that state then it could make a decision to get nuclear weapons pretty rapidly. In as quickly as a few months, Iran would be able to have enough weapons-grade uranium for nuclear weapons.