Havana, Cuba –  On a Friday last month, every table outside Oishi’s food booth in Pabellon Cuba, an exhibition venue in the heart of Havana, was packed with customers eating burgers and pizzas. While the stand looked like an oasis of plenty, its owner, 46-year-old Miguel Salva, phone glued to his ear, looked like a broker in the middle of a collapse. Recommended Stories list of 4 items list 1 of 4 Araghchi in Beijing: How China could shape the direction of the US-Iran war list 2 of 4 ‘Supercharged’ donations: How far-right Reform UK built a global network list 3 of 4 CNN founder Ted Turner dead at 87 list 4 of 4 Indiana, Ohio primaries draw midterm battle lines, reinforce Trump’s pull end of list “The fuel crisis has been a nightmare for us,” he said after hanging up. Since the United States, under President Donald Trump, imposed an oil blockade on Cuba in late January, power outages and fuel shortages have dealt a staggering blow to small family businesses like Salva’s.…