Facing backlash from high-ranking current and former CIA officials, the Dean of the Kennedy School of Government withdrew an invitation for Chelsea Manning to serve as a visiting fellow at the Institute of Politics in late-night reversal Friday. “I now think that designating Chelsea Manning as a Visiting Fellow was a mistake, for which I accept responsibility,” Kennedy School Dean Douglas W. Elmendorf wrote in a statement posted to the school’s website shortly after midnight. The school withdrew the invitation to Manning—a transgender activist and former U.S. Army soldier who was imprisoned after disclosing over 700,000 classified government documents— after...