Kazakhstan, one of the largest countries on earth, was long hidden from the rest of the world behind the Iron Curtain, and continued to remain unnoticed among the "stans" of Central Asia that gained independence from the Soviet Union in the early 1990s. Now, twenty years later, it has emerged as a modern state with far-reaching ambitions. It has developed rapidly over the last decade, raising a brand-new capital in the middle of its vast, empty grasslands,...