A Shia Domination in the Middle East?

Nuclear Capable Iran could give rise to a Shia dominance in the Middle East spanning from Iran to the Mediterranean and eventually threaten the European region and the west, and thereby causing the entire region to be monopolized by fanatics like President Mahmood Ahmedinejad and Mullah's who subscribe to a Fundamentalist Arm of the Shia sect that envisions the end of the World. If we allow Iran to become Nuclear Capable, we may see the dawn of a heinous era leading United States and the allies and other nations involved into World War Three...