Why Obama is supporting France's Emmanuel Macron for President — and why that's so unusual

Great concise piece by Zach Beauchamp for Vox:

The point, then, is that European elections are increasingly no longer about principally European concerns like the size of welfare states. They are about issues that affect the broader stability of Europe and the global order — which America has a huge stake in. As a result, center-left politicians like Obama feel entitled, maybe even obligated, to involve themselves.