A forward-thinking geopolitical guru explains who will win and who will lose in the coming global disorder. The world is entering a period of dangerous instability and conflict not seen since before World War I, Peter Zeihan asserts. America's allies depend on our commitments for their economic and physical security, and they hope the Trump administration's hostility is an aberration. This hope is misplaced, Zeihan contends. The problem goes...

"Diversity. You've heard the term everywhere--in the news, in the universities, at the television awards shows. Maybe even in the corporate world, where diversity initiatives have become de rigueur. But what does the term actually mean? Where does it come from? What are its intellectual precedents? Moreover, how do we square our love affair with diversity with the fact that the world seems to be becoming more and more, well, homogeneous? With a lucid,...