(Editor's Note: This story has been updated to reflect additional information provided by Pentagon Press Secretary Peter Cook subsequent to the Sept. 8 media briefing.) The Pentagon continues to reassess its plans for training and equipping Syrian rebels to fight the Islamic State of Iraq and the Levant, Defense Department Press Secretary Peter Cook said Tuesday, noting that there have been "hard lessons" learned. Cook, speaking at a press conference, stressed that Defense Secretary Ash Carter still believes "very...