Jay Mattson holds up his hand while his parents, Vicky and Kevin Mattson, stand behind him. The Mattsons traveled from Athens, Ohio, to join the protests in Ferguson. Jason Rosenbaum/KWMU hide caption

itoggle caption Jason Rosenbaum/KWMU

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. Jessica McGowan/Getty Images hide caption

itoggle caption Jessica McGowan/Getty Images

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." Yuri Gripas/Reuters/Landov hide caption

itoggle caption Yuri Gripas/Reuters/Landov