A new private research group says it will reveal details of illicit deals with the Islamic State.
Secretary of State John F. Kerry said at the U.N. that every country can contribute, including Iran.
A deal between Afghanistan’s rival presidential candidates was said to be within two days of completion.
Secretary of State John Kerry faced questions on Capitol Hill about the president’s Islamic State strategy.
The House is expected to grant a short-term authorization this week, with the bigger war debate to wait.
The country’s supreme leader called the offer of cooperation “hollow,” but Iran is still a foe of the Islamic State.
The administration pushed its case against the Islamic State as Britain condemned an aid worker’s killing.
They said unidentified countries have shown a willingness to join attacks in Iraq alongside the United States.
Iran is a huge player in both Iraq and Syria, but involvement in new group could cause Saudis to drop out.
But what exactly the country will do remains up in the air as U.S. and Turkish official continue talks.