The Japanese have said “Enough.” After a generation of stagnation, they’ve chosen an all-of-the-above policy to boost economic growth. The nation’s new prime minister, Shinzo Abe, is promising a “three arrows” strategy: bold monetary easing, increased public-works spending, and structural changes, such as regulatory reform. He’s throwing the ramen against the shoji and hoping something will stick. Some of those ideas are good ones, some probably aren’t. But it’s clear that Tokyo’s priority is growth, growth, growth. Time to get Nippon moving again. Nations probably never choose decline, at least not consciously. More likely they become victims of a creeping...