Mikhail Semenko, one of 11 Russian "illegals" accused of spying for Moscow against the United States, targeted leading Washington think tanks in an apparent effort to get close to policy makers in the American government. Semenko, 28, who speaks fluent English, Spanish and Mandarin, is understood to have sought work at the New America Foundation and the Carnegie Endowment, both influential centrist think tanks with close ties to the Obama administration. He was part of an alleged network of spies arrested on June 27 and 28 in northern Virginia, New York, Boston, New Jersey and Cyprus. A "spy swap" between...