We have to give President Obama credit for finally doing what needed to be done. No, not figuring out how to deal with ISIS without getting more people killed, not deciding that some badly-behaved bankers and other Wall Street types should don prison jumpsuits, but simply for recognizing that the little Republic of Cuba should be recognized formally after 50 years of trying to make them cry 'uncle'. It never worked. They never did.
As others have already noted, Obama wants a legacy, and he doesn't have much on offer. This will definitely make it into the history books, after the long chapters detailing the stupid and brutal policy toward our near neighbor. Clinton will most likely get the worst rap for beating up on them when they were down--1993--and for signing Helms-Burton which, by the way, prevents Obama from lifting the embargo and establishing diplomatic relations in one go.
Ricardo Alarcon de Quesada is most likely smiling sweetly to himself, as he noted in 1996 that it would be 20 years before the embargo was lifted. He's probably right.