now canada says it's investigating. writer and filmmaker michael moore is making his broadway debut. the oscar winner tells us why he's saving a presidential box. president trump has again threatened north korea. if the regime in pyongyang thinks about attacking the united states, he said, "things will happen to them like they never thought possible. "they will be in trouble like few nations have ever been." he also suggested his earlier threat that north korea faces "fire and fury" might not have been tough enough. his defence secretary has warned that war would be catastrophic, and insisted diplomacy is yielding results. from washington, nick bryant reports. it's from his golf club in newjersey during his working vacation that donald trump is managing this stand—off. and this afternoon he was back