The U.S. Army soldier arrested in Russia last week is being held in a pretrial detention facility waiting for a hearing, the Army said Tuesday. Staff Sgt. Gordon Black flew to Russia to see his girlfriend, according to U.S. officials, and the Army confirmed Tuesday that he had not sought clearance for the international travel and it was not authorized by the Defense Department. Under Pentagon policy, service members must get clearance for any international travel from a security manager...