If we've done our job well-and, let's be honest, if we're lucky-you'll read to the end of this description. Most likely, however, you won't. Somewhere in the middle of the next paragraph, your mind will wander off. Minds wander. That's just how it is. That may be bad news for me, but is it bad news for people in general? Does the fact that as much as fifty percent of our waking hours find us failing to focus on the task at hand represent a...