Given the growing strength of nations such as China, India and Brazil - not to mention the power of popular unrest showed by the "Arab Spring" - the idea that U.S. policy might be key to another region's destiny is itself being questioned.
Under Bush, many, particularly the Middle East, saw the United States as a "rogue state" that endangered others. Under Obama, some believe that while it may sometimes be a stabilizing force, it could also be becoming quietly less important.
"I have simply moved on from looking at America," said Sultan Sooud Al Qassemi, a blogger and political commentator based in the United Arab Emirates. "It's not America that is going to bring change to the Middle East or anywhere else. We have to look to ourselves, produce the change ourselves."
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