Cuba has been under a devastating US embargo since 1960, but since February this year, Donald Trump and his Secretary of State, Marco Rubio, have tightened the screws further, imposing a total blockade on oil products to the country and, moreover, threatening the few foreign companies operating there to withdraw. Without oil, the country is on the brink of total collapse, and the consequences for the population are catastrophic. The silence of the outside world is deafening.