The Bush administration actually started out with an open mind towards Iran, by all indications. In fact, early in the administration, the White House tasked the various agencies of government to do an inter-agency review of Iran policy, as it did with Iraq policy and most of the big areas of the world.
Once Upon a Time in Mexico
Jorge FBI: Hey!
[waves cell phone at Sands and tosses it to him. Sands catches]
Agent Sands: You get your man?
Jorge FBI: One of them.
Agent Sands: Well, if that isn't inter-agency cooperation, I don't know what is.
Jorge FBI: See you around.
Agent Sands:
Fuck you.