Over the past three months, I’ve been talking and writing a lot about sandals, but I have yet to acknowledge that some fashion people just aren’t into them. Naomi Campbell is one style icon I’ve noticed who isn’t into the open-toe flats. I’ve seen her pair her beach cover-up dresses with everything but sandals while vacationing in Europe this summer—think Mary Janes, ballet flats, and sneakers. The latter was her most recent...