A U.S. government contract employee for the Justice and State Departments was arrested on espionage charges unsealed, prosecutors said, accusing him of passing on classified information to Ethiopia. Abraham Teklu Lemma, 50, was charged in a complaint from late August, which was unsealed on Thursday, the U.S. Justice Department said in a statement. He faced three charges including "delivering national defence information to aid a foreign government, conspiracy to deliver national defence information to aid a foreign government, and the willful retention of national defence information," the Justice Department said. Prosecutors did not name Ethiopia but said Lemma spied for…