EU foreign policy chief Catherine Ashton, left, and Kazakhstan&#39;s President Nursultan Nazarbayev greet each other prior their talks in Almaty, Kazakhstan, Monday, Feb. 25, 2013. Iran and six world powers, five permanent U.N. Security council members and Germany, are set to hold talks in Kazakhstan this week on Tehran&#39;s controversial nuclear program.(AP Photo/Pavel Mikheye)
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