Protesters loyal to Iraqi cleric Moqtada al-Sadr in Baghdad’s Green Zone on Saturday. The decision by Iraqi cleric Moqtada al-Sadr to have his supporters seize and then vacate parliament in Baghdad appeared to be the act of a man who—at least for now—wants to control rather than destroy the country’s political system. But the breach is putting intense strain on the fragile democracy established in Iraq after the 2003 U.S.-led invasion. Obama administration officials are concerned the situation could deteriorate just as the U.S. prepares for a critical military offensive to take Mosul, Iraq’s second largest city, back from Islamic State. Stability in Iraq has been at the crux of President Barack Obama’s strategy against the extremist group. The weekend protests added a volatile new element. Sadr supporters organizing the protests have said demonstrators would return after an Islamic holiday that ends Tuesday. On Monday, a day after protesters […]