President Donald Trump on Thursday signed an executive order that would impose a tariff on any goods from countries that sell or provide oil to Cuba, a move that could further cripple an island plagued by a deepening energy crisis. The order would primarily put pressure on Mexico, a government that has acted as an oil lifeline […] President Donald Trump on Thursday signed an executive order that would impose a tariff on any goods from countries that sell or provide oil to Cuba, a move that could further cripple an island plagued by a deepening energy crisis.