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Canada and Great Britain are again the countries Americans view most favorably, while Russia has slipped to join North Korea as the least favorably rated of 21 countries.
Americans view Canada, Great Britain, France and Japan the best of 19 countries asked about -- and North Korea, Afghanistan, Iran, Russia and Iraq the worst.
Americans applauded John F. Kennedy's job performance after the failed Bay of Pigs invasion of Cuba, but they showed modest to little interest in further efforts to remove Fidel Castro from power. Most supported a trade embargo.
President Barack Obama announced on Wednesday a blockbuster shift in U.S. foreign policy -- for the first time in half a century, the U.S. and the island nation of Cuba, run by the long-time Communist government under the control of the Castro family, will take major steps toward normalizing diplomatic relations.