Mariners know that the ocean will be harsh, unpredictable and typically damaging. After weathering a pandemic and assaults by Houthi rebels that each one however closed the very important commerce route by the Suez canal, container-shipping firms might have hoped for some calm earlier than the subsequent storm. Alas, Donald Trump’s ever-changing tariffs and his plans to impose exorbitant port charges on Chinese language vessels have led to extra uneven waters.