Iran's release from sanctions testifies to its new relationship with the United States as it moves from pariah state to regional power, a status that could come at the cost of Saudi Arabia, Washington's chief Arab ally.
Enemies and allies alike must adjust to Iran becoming an uninhibited power broker in the Middle East after its nuclear deal with world powers and Saturday's lifting of sanctions that bring it to the top table of international politics.
The swift release last week of U.S. Navy sailors after they drifted into Iranian waters marked the new era in relations following decades of hostility with the West.
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