We are all familiar with the social mandate of smiling for photographs. Every time someone points a lens at our mug, we are expected to give a wide, toothy smile. If you don’t comply, the photographer will quickly remind you with a religious “say cheese!”. Many years ago, it occurred to me that this practice was not only shallow but silly. Granted, a candid smile captured in photography can be telling and beautiful. On the other hand, a contrived smile for a photograph, not so much. Here …