Figures like Khatami and Rafsanjani convinced gullible Westerners there are "reasonable" Muslims willing to co-exist with the West on equal terms. Ahmadinejab and the people around him will have none of it. As far they are concerned the West is The Other and co-existence is out and confrontation and Islamic driven expansionism is in.
(Denny Crane: "Sometimes you can only look for answers from God and failing that... and Fox News".)