February 04, 2009, 4:00 a.m. Leaker for Langley?Leon Panetta’s upcoming hearing is a chance to solve a 39-year-old mystery. By Tevi Troy Before he was a Democratic congressman, before he was director of the Office of Management and Budget, before he was White House chief of staff, and certainly before he was President Obama’s nominee for CIA director, Leon Panetta was director of the Office of Civil Rights at the Department of Health, Education, and Welfare—the precursor to today’s Department of Health and Human Services. He was also a Republican. Around the time he left HEW in 1970, Panetta...