Common enemies inspire peculiar alliance
                                
                                
                                    (Newser) -
                                    The US military and the man who was once considered the most powerful destabilizing force in Iraq, Moqtada al-Sadr, now have a common enemy: rogue members of Sadr's Mahdi Army. Since Sadr declared a ceasefire three months ago, US commanders, including Gen. David Petraeus, have been secretly meeting with Sadr's...