Cuba Si, Ted Cruz No!
For fifty years, the fanatics of the Cuban exile community told us that Castroism in Cuba was on the brink of collapse, and that if we just kept punishing the Cuban people a bit longer, the whole mess would collapse, allowing them to restore Batista or whomever. Well, it never worked, and Obama finally managed to bring the whole farce to a halt.
Yes, Cuba is still a repressive, undemocratic Communist regime. We have long had diplomatic relations with lots of similar places, and on the whole, such relations have worked to reform those places - usually accompanied by the disappearance of Communism.