Marc C. Whitt, director of philanthropy communications at University of Kentucky Philanthropy, writes:  Have you noticed a recent change in fashion? I’m talking about a subtle yet important change with ball caps. That’s right—ball caps.  In the market for one recently, I scoured a sporting goods store’s display of ball caps, and discovered one small, but significant, difference. For many years, ball caps came with the tag sewn inside the inner rim: “one size fits all.”