More than a month after the attack on the U.S. consulate in Benghazi, U.S. officials have yet to talk to many of the Libyan guards on duty at the American mission on that fatal evening. Fearful of reprisal from the still unknown perpetrators of the attack, the guards have gone into hiding; and their vivid recollections are giving way to a sense of abandonment by the American government, which offered them no protection from the attackers the guards believe want them dead. TIME’s Steven Sotloff has talked to the guards for their account of what happened on the night of...