Diplomatic sources told the Sunday Times that the U.S. "bought weapons from the stockpiles of Libya's former dictator Muammar Gaddafi." The heavy arms include mortars, rocket propelled grenades, anti-tank missiles and the controversial anti-aircraft heat-seeking SA-7 missiles, which are integral to countering Bashar Al-Assad's bombing campaign. The administration has said that the previously hidden CIA operation in Benghazi involved finding, repurchasing and destroying heavy weaponry looted from Libyan government arsenals, but in October we reported evidence indicating that U.S. agents — particularly murdered ambassador Chris Stevens — were at least aware of heavy weapons moving from Libya to jihadist Syrian...