BAGHDAD - Lawmakers loyal to anti-U.S. cleric Muqtada al-Sadr accused the Iraqi government of trying to crush the movement and warned Saturday of "black clouds" on the horizon for truces that have eased fighting between al-Sadr's militia and security forces. The Sadrist Movement has heightened its rhetoric against the government in recent days, raising concerns over the cease-fires in the southern city of Basra and Baghdad's Sadr City district, the stronghold of al-Sadr's Mahdi Army militia. Still, the lawmakers and other al-Sadr officials said they are adhering to the truces. The cease-fires are crucial to Iraqi security forces' sweeps in...