WASHINGTON (Reuters) - One of Osama bin Laden's top deputies, Abu Zubaydah, is being held at a U.S. naval facility on the Indian Ocean island of Diego Garcia, Time magazine reported on Sunday. Zubaydah is the highest-ranking al Qaeda member known to have been taken into U.S. custody during Washington's war against terrorism triggered by the Sept. 11 attacks on the United States that killed about 3,000 people. U.S. officials, who have been interrogating him for months, have steadfastly refused to disclose where he was being held. Before his arrest in Pakistan in April, Zubaydah, a 30-year-old Pakistani, was thought...