Japanese Prime Minister Shinzo Abe and President Obama
(Fortune)
Most economic summits are pretty dull, and the recent G-20 meeting in Washington, D.C., was no exception. But in giving tacit approval to the remarkable policy experiment taking place in Japan, it did something of great importance. With fears that his policies could start a currency war, or worse, laid to rest, Japanese Prime Minister Shinzo Abe, who was elected at the end of last year, is now free to continue his all-out effort to revive the world's third-largest economy -- an endeavor that has big implications for the U.S.