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FILE – In this March 1, 2010, file photo President Barack Obama shakes hands with Colin Powell, founding chairman of The America’s Promise Alliance Education, after he spoke about education at the U.S. Chamber of Commerce in Washington. A moderate Republican who endorsed Barack Obama in 2008, Powell said Sunday, Sept. 19, 2010, that the president’s critics should be going after him on policy, not “nonsense.” (AP Photo/Charles Dharapak, File)

U.S. Department of State

The Lessons of 1989: Freedom and Our Future