The central takeaway from Secretary of State Mike Pompeo’s Cairo speech is that the United States needs to rely more on allies to stabilize the Middle East.

Since the shah’s ouster in February 1979, Iran’s Islamic regime has been propelled by Ayatollah Khomeini’s revolutionary vision and underpinned by its animus toward the United States.

A high level of coordination suggests the perpetrators had substantial expertise, possibly drawn from a foreign-based terrorist group.

Neither Iran nor the United States likely wants war, but the possibility of a miscommunication is considerable, risking a dangerous escalation.

With the Islamic State’s retreat, thousands of people who left their countries to join the terrorist group are being detained in camps and prisons. Many governments are not willing to take them back…