The Obama administration may have provided the weapons used by some Islamist extremists to kill four Americans at the United States’ compound in Benghazi on September 11, 2012, according to a Libyan source who told Breitbart News he witnessed the attack first hand. Breitbart News’s Tera Dahl spoke to the witness who was living near the U.S. compound in Benghazi when the attack took place. Libya’s al-Qaeda-linked militia group known as the February 17th Martyrs Brigade was reportedly hired by then-Secretary of State Hillary Clinton’s State Department to provide security at the Benghazi compound, but failed to so the whole...