The U.S. and Japan are conducting joint exercises in the Sea of Japan, near the coast of South Korea. Here, the USS John McCain (L) pulls alongside the USS George Washington in the Sea of Japan. MC3 David Juan Pinalez /AFP/Getty Images hide caption

itoggle caption MC3 David Juan Pinalez /AFP/Getty Images

Ben Bernanke, Chairman of the U.S. Federal Reserve Board delivers his keynote speech at the sixth European Central Bank (ECB) Central Banking conference in Frankfurt, Friday Nov. 19, 2010. KAI PFAFFENBACH/POOL Reuters hide caption

itoggle caption KAI PFAFFENBACH/POOL Reuters