A Virginia man has confessed to trying to rewrite history by altering a date on a document penned by Abraham Lincoln -- a move that enhanced his own reputation as a scholar, the National Archives said today. Longtime Lincoln researcher Thomas Lowry, of Woodbridge, Va., admitted that he changed the date on a presidential pardon issued to Patrick Murphy, a Union Army soldier who was court-martialed for desertion during the Civil War, said David S. Ferriero, archivist of the United States. Lowry altered the date on the document from April 14, 1964, to April 14, 1965 -- the day John...