** FILE ** In this file photo provided by the Turkish Intelligence Service on Feb. 18, 1999, Kurdish rebel leader Abdullah Ocalan poses in front of Turkish flags before being interrogated by Turkish officials at the prison-island of Imrali , Turkey. (AP Photo/Turkish Intelligence Service, File)

** FILE ** In this file photo provided by the Turkish Intelligence Service on Feb. 18, 1999, Kurdish rebel leader Abdullah Ocalan poses in front of Turkish flags before being interrogated by Turkish officials at the prison-island of Imrali , Turkey. (AP Photo/Turkish Intelligence Service, File)