Dr. Kent Brantly (center) announces his recovery from Ebola, with his wife, Amber Brantly (left), during a press conference at Emory University Hospital Thursday in Atlanta. Brantly got sick at the end of July.
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Secretary of Defense Chuck Hagel, left, with Chairman of the Joint Chiefs of Staff Gen. Martin Dempsey during a Pentagon briefing on Thursday. Hagel said Islamic State militants in Iraq and Syria posed a threat "beyond anything we've seen."