I work here uses for nexium medication Rohani’s power will be constrained by the Iranian constitution. Presidents in real domocracies have restrained power. This is particularly true for the U.S. where the President does not control foreign policy and security issues but Congress. Iran has a divided Government. Iranian leaders do not have the luxury of making arbitrary decisions that, for instance, the Saudi ruling family has. But Rohani will have more leeway to bring reforms than Kathami had.