Ash Carter The Washington Post

After months of tough urban combat, Iraqi Prime Minister Haider al-Abadi declared victory Monday over the Islamic State in its last strategic stronghold in Iraq. Iraqis celebrated in the streets, and Americans should cheer as well.

After months of tough urban combat, Iraqi Prime Minister Haider al-Abadi declared victory Monday over the Islamic State in its last strategic stronghold in Iraq. Iraqis celebrated in the streets, and Americans should cheer as well.