I wouldn't even know - and I spent three years in the CIA - I wouldn't even know how you'd start a covert action program in a place like Iran. It would be extraordinarily difficult.

Policymakers have to make judgments based on the best intelligence they get.

There's clearly something to be said for success and following through on your commitments.

Intelligence is not a science.

Look at what the Omar of Qatar is doing, for example - the King of Morocco, Jordan, Bahrain. There are reform movements taking place, efforts to broaden the political participation of the populations of the region.

And I argued with that intelligence estimate and I think it is a responsibility of policymakers to use their best judgment on the basis of the intelligence they've received.

The Crown Prince has said he needs to broaden political participation in the governing of Saudi Arabia.