WATCH: Former Head of Israeli Mossad: Now Is Not the Time to Attack Iran

Meir Dagan in first American interview says Irans regime is rational, adding: that 'they are considering all the implications of their actions.'

Former head of the Mossad, Israels intelligence service, Meir Dagan, tells CBS that he does not believe now is the time to attack Irans nuclear program, in his first interview to an American media outlet.

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Meir Dagan
Yael Tzur

Dagan tells 60 Minutes Lesley Stahl that the regime in Iran is a rational one. When asked whether Iranian President Mahmoud Ahmadinejad is rational, Dagan responded that he was.

Not exactly our rational, but I think he is rational, Dagan said. Adding that though their rationality was different from the Western way of thinking, they are considering all the implications of their actionsThey will have to pay dearlyand I think the Iranians at this point in time arevery careful on the project, says Dagan. They are not running

Dagan tells CBS he doesnt think Israel should strike Irans nuclear industry anytime soon, an attack that would have to include a large number of targets.

Dagan agrees with Secretary of State Hilary Clinton and President Obama that there is still time to wait before dire actions need to be taken.

Dagan believes that instead of military action the West should concentrate on instigating regime change in Iran. Its our duty to help anyone who likes to present an open opposition against their regime in Iran, says Dagan.

When asked by 60 Minutes whether Israel had supported the youth groups that held protests across Iran after the last round of Iranian elections, Dagan refused to answer.

Dagan said he trusted the U.S. and President Barack Obamas resolve to stop the Iranian nuclear program. President Obama said the military option is on the table and he is not going to let Iran become a nuclear state and from my experience, I usually trust the president of the U.S, he says.

The issue of Iran armed with a nuclear capability is not an Israeli problem; its an international problem.

During the interview Stahl suggested that it seemed he was advocating Israel wait and have the U.S. attack Irans nuclear sites. Dagan replied: If I prefer that someone will do it, I always prefer that Americans will do it, he says.

The 60 Minutes interview will air on CBS on Sunday.