5 reasons why an expanded mission to strike James Foley's killers in Syria won't work. And why it's going to happen anyway.
Each day brings unsettling news of the Islamic State's (IS's) latest conquest. Last week, the flash point was the Mosul Dam in Iraq; today, the Taqba air base in Syria falls. Meanwhile, the U.S. air campaign continues -- haltingly -- against IS positions. Anyone who has ever been to a carnival can tell who eventually wins the game of Whac-A-Mole.