Pentagon Says U.S. Will Continue to Hit IS as Long as They "Pose a Threat"
Description:Shortly after the release of video by Islamic State purportedly showing the beheading of American journalist Steven Sotloff, Pentagon spokesman Rear Admiral John Kirby told reporters that as long IS poses a threat to Mosul Dam, the United States would continue targeting them. "Could you give us a clear picture about the situation on the ground at the Mosul Dam? Why [does] the United States keep launching airstrikes at that location?" asked one reporter.(0:31)