“The relevant question is not when Iran will get the bomb. The relevant question is at what stage can we no longer stop Iran from getting the bomb.
“The red line must be drawn on Iran’s nuclear enrichment program because these enrichment facilities are the only nuclear installations that we can definitely see and credibly target.
“And I believe that faced with a clear red line, Iran will back down. And this will give more time for sanctions and diplomacy to convince Iran to dismantle its nuclear weapons program altogether.”