The Department of Justice released its long-awaited investigation into Joe Biden's mishandling of classified documents Thursday, delivering a damning assessment of the president's 'diminished faculties' and limited memory. And it said his cavalier attitude to classified documents, such as his habit of reading sensitive files to a ghostwriter, posed a significant national security risk. 'He did not remember when he was vice president, forgetting on the first day of the interview when his term ended ("if it was 2013 - when did I stop being Vice President? "), and forgetting on the second day of the interview when his term began ("in 2009, am I still Vice President? 'The Biden Documents Case is 100 times different and more severe than mine,' he said in an emailed statement.