IT'S becoming impossible to make sense of President Donald Trump's foreign policy - if at all the stream of tweets and out-of-the-blue decisions reflecting the man's changing moods and the personal impulses can even amount to any policy.

Indeed, the White House's positions on global policy issues seem to be constantly changing, exhibiting symptoms of manic depressive disorder, vacillating between periods of rage - not only declaring wars on America's enemies but also threatening to punish its friends - followed by periods of tranquillity and even euphoria, with a commitment to reach agreements and to live in peace with friends and foes.

Mr Trump's handling of North Korea's nuclear threat has been a case study of his bewildering foreign policy with its many ups and downs. It started with his mocking North Korean leader Kim Jong Un and threatening to nuke Pyongyang and start World War III that would unleash global death and destruction. Then during the next stage of the White House's response to the nuclear crisis, Mr Trump seemed to have reversed course, meeting and schmoozing with Mr Kim at a summit in Singapore that turned at one point into a festival of friendship and goodwill, with the US president showering his new BFF from Pyongyang with praises and adoration.