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In this photo taken Monday, June 23, 2014, fighters of the al-Qaida-inspired Islamic State of Iraq and the Levant (ISIL) parade in a commandeered Iraqi security forces armored vehicle down a main road at the northern city of Mosul, Iraq.
In this photo taken Monday, June 23, 2014, fighters of the al-Qaida-inspired Islamic State of Iraq and the Levant (ISIL) parade in a commandeered Iraqi security forces armored vehicle down a main road at the northern city of Mosul, Iraq.

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    Is ISIS the most dangerous threat?

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Is ISIS the most dangerous threat?

Why officials believe ISIS is the most dangerous threat right now. CNN counterterrorism analyst Phil Mudd weighs in.

Is ISIS the most dangerous threat?

Why officials believe ISIS is the most dangerous threat right now. CNN counterterrorism analyst Phil Mudd weighs in.