Iraq and the United States continued to spar over Iraqi forces' willingness to confront Islamic State militants, while Iran weighed in with sharp criticism of the US effort in the fight.
Fierce fighting is underway to wrest back all of the Iraqi city of Tikrit from the so-called Islamic State. But after a victory, avoiding reprisals on Sunni residents by Shiite militias won't be easy.
Oil revenues are declining and the flow of foreign jihadists may be slowing. Airstrikes in Syria by a US-led coalition come as Iraqi forces continue to battle IS in northern Iraq.