The Biden administration on Monday repatriated to Saudi Arabia for mental health care a prisoner who had been tortured so badly by U.S. interrogators that he was ruled ineligible for trial as the suspected would-be 20th hijacker in the Sept. 11 attacks. The prisoner, Mohammed al-Qahtani, in his 40s, is the second to be transferred from the wartime prison under the administration. *** His long-serving lawyer, Shayana Kadidal of the Center for Constitutional Rights, said the transfer was long overdue. “For 14 years I’ve sat across from Mohammed as he talks to nonexistent people in the room and makes eye...