The chaos, the looting, the broken water and telephone lines and possible ethnic clashes as the lid comes off the pressure cooker of emotions are just some of the formidable challenges ahead for US troops. The "smart" war plan must now recalibrate into a policing and administrative operation to bring order. The killing of Abdul Majid al-Khoei—a prominent Shia leader supported by the Americans—in Najaf a day after Baghdad fell, exemplifies the complexities of future power equations. The fierce competition for support among Iraq’s majority Shia population will have a profound effect on any future government.