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tsr dnt starr iraq terror us options _00002502.jpg

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    How will the U.S. respond to ISIS threat?

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How will the U.S. respond to ISIS threat?

CNN's Barbara Starr takes a look at the military actions the U.S. might take in response to ISIS seizing cities in Iraq.

How will the U.S. respond to ISIS threat?

CNN's Barbara Starr takes a look at the military actions the U.S. might take in response to ISIS seizing cities in Iraq.