US President Donald Trump has announced a temporary 60-day suspension of the Jones Act, the century-old law that mandates cargo moving between domestic ports be transported on vessels built, operated and staffed by American citizens or permanent residents. The move comes in response to the blockade of the Strait of Hormuz – a key chokepoint – amid the escalating US-Israeli war against Iran, which has triggered the most severe global oil supply disruption in recent history. The waiver allows...