london u.s. secretary defense ash carter say tuesday defense relationship philippines strong longstanding one ask philippines president insult toward u.s. president barack obama carter speak reporters land london also describe philippines new defense minister delfin lorenzana someone knowledgeable things together president rodrigo duterte call obama son bitch say would lecture extrajudicial kill philippines drug war duterte late voice regret language two schedule meet sideline asean summit laos obama cancel meet carter say defense relationship philippines strong