"The US-Iran Cold War since 1979 has destabilized and perverted the Middle East and prevented it from coming together. If we could get beyond that, that would be a very important thing" says #gzeroworld guest Thomas L.

But info sharing has since tailed off — underscoring the degree to which Iran is using silence to obscure international understanding over the status of its nuclear program. During the Cold War, strategic ambiguity was key to nuclear brinkmanship.

Iran on Wednesday officially suspended its cooperation with the UN nuclear watchdog, a move triggered by the unprecedented Israeli and US strikes on its nuclear facilities.