As the United States prepares to seize control of Venezuelan oil and the administration of US President Donald Trump hardens its stance toward Cuba, Mexico has emerged as a key fuel supplier to Havana. It's a role that could further complicate already strained relations with the Trump administration, even though the Mexican government insists that exports to the island have not increased. Mexican President Claudia Sheinbaum acknowledged on Wednesday that with the current situation in Venezuela, Mexico has become an important supplier of crude oil to Cuba, but asserted that no more oil is being sent than has been sent historically; there is no specific shipment. She added that those shipments are made via contracts or as humanitarian aid, but offered no concrete figures on the number of barrels exported. **'The blackouts are going to intensify' Following the 1959 revolution that toppled dictator Fulgencio Batista, the US imposed a trade embargo on Cuba in response to the ...