There are three motives behind Trump's aggressive policy [towards Cuba]: Florida, where the votes of exiled Cubans could be decisive in the 2020 election, a "Cold War mentality" that seeks revenge for 60 years of Cuban socialism, and Havana's persistent support for Venezuela's socialist leader Nicolas Maduro. But the Cubans have their responsibility because they lost an opportunity when Obama opened up. Instead they hardened their position, they closed more, they became more repressive because they felt threatened.