I imagine there's a big segment of the Cuban-American population down there that's pissed. And it's probably the ones with lots of old money.

This is from the NY Times article:

http://www.nytimes.com/2014/12/18/world/americas/us-cuba-relations.html?hp&action=click&pgtype=Homepage&module=span-ab-top-region®ion=top-news&WT.nav=top-news

Senator Marco Rubio of Florida, considered a prospect for the 2016 Republican presidential nomination, told The Associated Press: “This is going to do absolutely nothing to further human rights and democracy in Cuba. But it potentially goes a long way in providing the economic lift that the Castro regime needs to become permanent fixtures in Cuba for generations to come.”