For more than a half-century, no US president was willing to pay the political price for admitting failure and resuming diplomatic relations with the island. But, as his tenure enters the home stretch, Barack Obama seems to have been released from such constraints.
正因如此，古巴和美国这样的冲突才会持续如此之久。半个多世纪以来，没有一位美国总统愿意付出政治代价承认失败并重新与这个岛国建立外交关系。但是，随着任期的临近，奥巴马似乎冲破了这一束缚。