No, they're an economic drain to the US. Why should we sign up for an economic drain? Appeaser nutcases like to throw around the word "imperialist", but this is a remnant of the only actual US imperialist period, in the aftermath of the spanish-american war. When Cuba was a militarily strong soviet proxy, I wouldn't have suggested this - the cubans would have moved in and snapped them up in one gulp. Now that Cuba is just a pathetic backwater, it's time to call on PR to stand on its own two feet.