Calling Donald Trump a bull in a china shop would be a kindness. His approach to foreign affairs has been at times a refreshing stick in the eye to the global post-WWII institutional order. But, in recent months it has morphed into something more dangerous.
And his desire to solve the Gordian Knots of certain geopolitical problems, namely North Korea and Iran, have him lashing out in every direction possible, bullying the entire world into a Manichean corner. You are either against Iran or you will be removed from the global economy.