While sanctions against Iran are visibly impairing its economy, they have not impacted its continuing nuclear activities, Prime Minister Binyamin Netanyahu told CNN in a Tuesday interview.

"They're certainly taking a bite out of the Iranian economy, but so far they haven't rolled back the Iranian program or even stopped it by one iota," Netanyahu said. "I hope that changes, but so far, I can tell you the centrifuges are spinning." 

"If the sanctions are going to work, they better work soon," he emphasized.

Asked how he knows about Iran's nuclear activities, the prime minister coyly retorted, "Oh, we know." 

"We know, and others know and we share what we know. This is not a case of the questions that people had about Saddam Hussein," he continued when pressed further, referring to the botched intelligence on Iraq's nuclear program ahead of the 2003 invasion.

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