Fusion.net: It’s been 52 years since the U.S. withdrew recognition of the Castro regime, and refused to sit at a negotiating table with the Cuban government.

But considering this week’s landmark nuclear deal with Iran, there might be reason to think that the Cuban embargo, the United States’ single longest-standing foreign policy, could end.

When diplomatic relations were shut off in 1961, the Castro regime had just overseen the largest seizure of private US property in history, and was in the midst of exacting a brutal campaign to silence political dissent. More than 4,000 people were killed during the revolution, sending hundreds of thousands of political refugees to the U.S. shore.

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