Combat operations in Iraq are over, if you believe President Barack Obama's rhetoric. But torture in Iraq's prisons, first exposed during the Abu Ghraib scandal, is thriving, increasingly distant from any scrutiny or accountability. After arresting tens of thousands of Iraqis, often without charge, and holding many for years without trial, the United States has handed over control of Iraqi prisons, and 10,000 prisoners, to the Iraqi government. Meet the new boss, same as the old boss.After landing in London late Saturday night, we traveled to the small suburb of Kilburn to speak with Rabiha al-Qassab, an Iraqi refugee who …