A matter of perspective
Of course the Iranians could see themselves surrounded by a powerful and growing conservative Judeo-Christian Empire (America and Israel) with many nuclear weapons and the means to use them, thus they have the right to defend themselves.
Don't worry, I'm not an Al Qaeda operative, just thought the west needs to see both sides of the picture once in a while, and not just what the Bush-Cheney propoganda machine cranks out to the masses.