(Refiles to revise headline; ** change to story text) * Tunisian Redha al-Najar held without charge since 2002 * Among first to be subjected to CIA's "enhanced interrogation" * Senate report says years of abuse left him a "broken man" * Transfer likely to end Najar's quest for U.S. justice By Frank Jack Daniel KABUL, Dec 10 (Reuters) - The United States has handed over to Afghanistan a suspected al Qaeda militant named in a U.S. Senate report as one of the first objects of harsh interrogation techniques in a CIA "dungeon" near Kabul, his lawyer told Reuters on Wednesday. ...