Foreign Policy in Focus contributor Daniel DePetris discusses his article “Al-Qaeda in Iraq’s Strategy for 2012,” which boils down to restarting the sectarian civil war through terrorism designed to provoke Shia retribution; Iraq’s attempted reintegration into regional affairs through the first Arab League Summit in Baghdad in decades; how Gen. Petraeus’s surge strategy helped security in the short term, but didn’t fix any sectarian political problems; the Maliki government’s refusal to...