We live in a fast-changing world. Just because something was good for Germany/Greece once, doesn't mean that is still the case. I'm reminded of something PG wr

We live in a fast-changing world. Just because something was good for Germany/Greece once, doesn't mean that is still the case. I'm reminded of something PG wrote in a recent essay: "When experts are wrong, it's often because they're experts on an earlier version of the world."