I have my doubts. Why would anyone besides a person in Fidel's image be allowed to take over? Fidel wouldn't allow it while he is still alive. I personally would like to see the embargo lift as I think it is possible to let capitalism change things, besides the fact most other countries have no such embargoes and our embargo is doing very little to fix things. The only other way historically that a puppet will not take over is if the people have a revolution which at this point doesn't look very likely.