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U.S. Assistant to the President for Homeland Security and Counterterrorism John Brennan, nominated by U.S. President Barack Obama to be the next Director of the Central Intelligence Agency, testifies before the Senate Intelligence Committee February 7, 2013 in Washington, DC. (Photo by Alex Wong/Getty Images).
Ashton Baldwin Ash Carter is an American physicist and former Harvard University professor of Science and International Affairs who served as the 25th United States Secretary of Defense from February 2015 to January 2017. He was nominated by President Barack Obama, and confirmed in February 2015 by the Senate by a vote of 93â5, to replace Chuck Hagel as Secretary of Defense. Carter received a B.A. in his double-major of Physics and Medieval History from Yale University, summa cum laude ...