I’m back from the Jersey Shore—huge, clean beaches, great breakers, and family amusements up and down the boardwalk. It is as diverse a crowd as you can imagine. Twenty years ago we thought it was diverse because of all the Canadians! Today, there are people speaking dozens of languages who are a variety of colors and backgrounds. The commonality: Every parent and grandparent, whether in shorts and tee-shirts, saris, or dashikis, lovingly put their kids aboard the rides and took …