WASHINGTON (AP) — Pressure mounted Friday on the Defense Department after multiple U.S. senators called for investigations into reports that U.S. military interrogators worked with forces from the United Arab Emirates who are accused of torturing detainees in Yemen. "Even the suggestion that the United States tolerates torture by our foreign partners compromises our national security mission by undermining the moral principle that distinguishes us from our enemies— our belief that all people possess basic human rights," the senators wrote Mattis . Democratic Sen.