The second presidential debate led to new rhetoric from both sides on when Pres. Obama called the attack in Libya an act of terror. In question is the meaning behind his words on Sept. 12 in a statement he made in the Rose Garden; was he referring to the assault the night before on the U.S. Consulate in Benghazi, or was he talking about the 9/11 attacks in New York and Washington? Anderson Cooper reports.
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