America’s tariff resurgence reflects the will of one man, not a popular uprising. Most countries have declined to fight America’s tariffs with tariffs of their own. It has limited the short-term damage inflicted by Mr Trump’s tariffs. Not their bill to footThis time round, America’s trading partners have judged that tit-for-tat responses would lead to escalation and self-harm. Mr Trump is making use of powers that he argues Congress has delegated to the White House.