Us vs. Them, Good vs. Bad, Liberal vs. Conservative. In our increasingly polarized world, many of us see things in black and white, blind to all the shades of gray. We are designed to see things this way; our brains have an instinct for categorization. Without this instinct, we could not function, but the brain’s desire to simplify our increasingly complex world is creating division.  Black and white thinking is creating delusion. With a brain that loves black and white, in a world that draws us to its loud extremes, gray is becoming endangered color. We don’t have the time to ponder the nuances