Johnny Matheny demonstrates the Pentagon's Modular Prosthetic Limb" at the DARPA Technology Expo in Washington, D.C. (Tech Insider video screenshot)
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Trump Transition: Here are the people Trump has picked for key positions so far
President-elect Donald Trump has announced a flurry of picks for his incoming administration. Get full coverage of the Trump transition from The Washingon Times.
Trump dances onstage, takes post-election nation by storm
President-elect Trump dances onstage
