A world in chaos? That may be a good thing.

Too much is happening in the world. Politically, economically, and culturally momentous news is occurring on every continent seemingly every day, and it’s overwhelming for the hapless citizen striving to stay on top of it all. If you want to impose order on the chaos, at least in your own mind, here’s a suggestion: Just remember a, b, c, d. Four large, interrelated forces are driving the action globally, and they conveniently begin with those letters.