"I'm not predicting that it's entirely impossible that we would at any point act collaboratively with Iran," the chairman of the Joint Chiefs of Staff tells NPR.
On Sunday, Iraqi and Kurdish forces broke a nearly 80-day siege by the Islamic State on the town of Amerli, where residents now have enough food and water for the first time in weeks.
In northern Iraq, the Kurdish Peshmerga troops are battling the extremists of the Islamic State. But commanders say they're not getting the weapons promised by the U.S. and others.
The road to violent jihad has never been so smooth. Westerners hoping to join the fight in Syria, and now Iraq, can take a flight to Turkey and meet hundreds of rebel groups eager to train them.
A major dam in northern Iraq, near the city of Mosul, is the latest flashpoint. Kurdish officials say their forces have driven militants from the dam. The militants say they're fighting to hang on.
Lincoln, Neb., is home to a sizable group of Iraqi Yazidis, members of the minority group being persecuted in Iraq. One of them, Sulaiman Murad, describes the agony of watching the crisis from afar.
Iraqi Prime Minister Nouri al-Maliki has agreed to step down. Maliki said he is not seeking a post in the new government and that he supports the nomination of Haider al-Abadi to succeed him.
Steve Inskeep talks to Tom Bowman about the U.S. thinking on the humanitarian crisis. David Greene gets an assessment of the U.S. military's re-engagement in Iraq from retired Gen. Michael Barbero.