A senior Taliban commander who became a hero to Islamic militants for his role in shooting down a U.S. helicopter in 2005, killing all 16 special forces troops aboard, has been killed by Pakistani security forces, officials and Taliban militants tell CBS News. Mullah Ismail, a notorious Taliban commander from the Afghan province of Kunar, was killed in a shootout with Pakistani police as he traveled with a kidnapped trader, a local police officer said Wednesday. He was apparently on his way into the lawless Northwest Frontier Province along the Afghan border. Officer Mukarma Khan said Ismail, also known as...