US President Donald Trump ordered the Pentagon on Sunday to scale back planned joint military exercises with South Korea after the Republican president said South Korea declined to help denuclearise Iran. Trump said in a social media post that the exercises scheduled to begin this week are costly and “send a signal that is totally inappropriate and hostile” to North Korea, which he said “has been unthreatening and respectful” while Trump has been in the White House. “Therefore, and based on the...