TRANG BANG, Vietnam (AP) — He stands in the northbound lane of Vietnam's Highway 1, traffic swirling around him, horns honking. He is pointing. Right there, he says — that's where it happened. That's where the screaming children appeared. That's where I made the picture that the world couldn't forget.Huynh Cong "Nick" Ut was 21 on that day more than half a lifetime ago when he stood on the same road, pointed his camera northeast and captured one of history's most famous images — a naked Vietnamese girl screaming and fleeing after South Vietnamese planes looking for Viet Cong insurgents attacked with napalm from the air.