The pilot of the helicopter that crashed and killed Kobe Bryant and eight others was almost out of blinding clouds when he suddenly plunged and crashed into a Southern California hillside, investigators and aviation experts indicated.Ara Zobayan had told air traffic control he was climbing to 4,000 feet (1,219 meters) and he rose to 2,300 feet (701 meters), according to an investigative update released Friday from the National Transportation Safety Board.The helicopter was just 100 feet (30