A combination of Iraqi Army units and Kurdish and Shiite paramilitaries has flushed Sunni militants from much of Diyala Province. But tribal leaders run a lethal risk for defying militants and joining the resistance.
Iran's supreme leader, Ayatollah Khamenei, has resumed his harsh rhetoric after negotiators in Vienna extended the deadline for nuclear talks. But his actions suggest he is preparing Iranians for a deal.
Iran says its version of the unmanned aerial craft is an improvement on the US-made RQ-170 Sentinel, which it captured three years ago. A Pentagon spokesman says there's 'no way' it matches US technology.
Expectations for change have been high in Iran since President Hassan Rouhani's election. There have been some improvements, analysts say, but his ability to make deeper change may depend on the result of nuclear talks.
Jason Rezaian, a dual US-Iranian citizen, was arrested in July and has been held incommunicado in Tehran. Some believe his detention is part of a political war between supporters and opponents of President Rouhani.
A long-running Sunni insurgency based over the border in Pakistan's Baluchistan has left an indelible mark on an impoverished corner of Iran. President Rouhani has promised to improve the lot of citizens.
With the help of local Sunnis on its southeastern border with Pakistan, Iran is using a blend of force, dialogue, and money to counter Jaish al-Adl, a radical group that claims to fight for Sunni rights.
In a speech to the UN, the Iranian president blamed 'certain intelligence agencies' for fomenting extremist groups in the Middle East. He said a nuclear deal with Iran should mean more security cooperation.
Iraqi Sunnis, who first welcomed the jihadist challenge to an unpopular Shiite-led government in Baghdad, are now increasingly repulsed by sectarian brutality. President Obama has pledged to support a proposed national guard.