As much as I hate to agree with a troll I do think that we are just being stubborn at this point with the embargo. If it hasn't worked after this long then it just isn't going to work. The only reason we haven't ended it is that we do not want to look like we are giving up. We have a good relationship with Saudi Arabia and they have a human rights record that make Cuba look great and they are not a democracy to say the least.

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"Give me your tired, your poor,
Your huddled masses yearning to breathe free,
The wretched refuse of your teeming shore.
Send these, the homeless, tempest-tost to me,
I lift my lamp beside the golden door!"