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In this picture released by an official website of the office of the Iranian supreme leader, Supreme Leader Ayatollah Ali Khamenei delivers a speech under a picture of the late revolutionary founder Ayatollah Khomeini, in Tehran, Iran, Monday, Feb. 17, 2014. Iran's top leader backs the continuation of nuclear negotiations with the West but says he doubts they will succeed. (AP Photo/Office of the Iranian Supreme Leader)

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