Former British Prime Minister Tony Blair is taking heat for recently claiming that the 2003 Iraq invasion was in no way responsible for the current crisis. In an interview with Anderson Cooper, Blair defended that remark and he tried to explain the complexity of the situation:
"What our intervention in Iraq shows is how difficult intervention is. What events in Syria show is how difficult non-intervention is."
Sunni Iraqis make up the majority of ISIS's forces, but analysts say a growing number of foreign fighters are joining their ranks. That even includes some Americans. ISIS is producing videos that urge westerners to join the fight, and thousands may be answering the call. Pamela Brown looks at the danger these fighters pose on the battlefield and in their home countries.
What could be done about all of this? Anderson spoke with National Security Analyst Fran Townsend, who's a member of the DHS and CIA external advisory committees and Maajid Nawaz, a former Islamist militant who is now an author and chairman of the Quiliam Foundation.
Nuri Al-Maliki spent decades in exile before the fall of Saddam Hussein. Since taking office in 2006, Prime Minister Maliki has enjoyed the praise and support of both President Bush and President Obama. Now he is in the middle of a crisis that could tear Iraq apart. Randi Kaye has his story.
Anderson looks into how Prime Minister Maliki's actions are motivating Sunni groups to back ISIS. He spoke with Ken Pollack, a Senior Fellow at the Saban Center for Middle East Policy, along with James Jeffrey, a former U.S. Ambassador to Iraq.
As hundreds of thousands of people across Iraq flee ISIS fighters, some are ready to take up arms against the militants. Anderson walked through Baghdad and spoke to one man who vowed to be a thorn in ISIS' eye.
Anderson discussed the latest fighting with Nic Robertson and Arwa Damon.
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