Recently released emails detail then-Secretary of State Hillary Clinton's interest in arming Libyan opposition groups using private security contractors before the fall of Muammar Qaddafi in 2011 – though at the time, the opposition was not formally recognized by the U.S. or United Nations, which prohibited arming without following strict guidelines and oversight. The issue remains so sensitive that the emails recently released by the State Department redacted a key line on the matter. But the unredacted version of the same email, released to the congressional Benghazi Select Committee and first posted by The New York Times last Thursday, showed...