Iraq’s campaign to liberate Mosul from the Islamic State and restore the Iraqi government’s authority requires coordination among numerous armed groups with competing interests.

"Engagement doesn’t preclude criticism," says Iranian historian Ali M. Ansari, so the West should be more forthright in speaking out against Iran’s human rights record.

Ahmad Chalabi, head of the U.S.-backed Iraqi National Congress and a member of the Iraqi Governing Council, says the council is working behind the scenes to stop the recent clashes between insurgents…