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Soldiers from the 3rd Brigade, 1st Cavalry Division board a C-17 transport plane to depart from Iraq at Camp Adder, now known as Imam Ali Base, on December 17 near Nasiriyah, Iraq.
Soldiers from the 3rd Brigade, 1st Cavalry Division board a C-17 transport plane to depart from Iraq at Camp Adder, now known as Imam Ali Base, on December 17 near Nasiriyah, Iraq.

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    Senator: U.S. troops needed to beat ISIS

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Senator: U.S. troops needed to beat ISIS

Sen. Ron Johnson tells Anderson Cooper why he thinks American troops will be needed on the ground to defeat ISIS.

Senator: U.S. troops needed to beat ISIS

Sen. Ron Johnson tells Anderson Cooper why he thinks American troops will be needed on the ground to defeat ISIS.