* Two nights ago, I couldn’t sleep. I don’t watch a lot of television, but that night, I watched a movie with my kids, then got caught up in another, and then, finally, landed on HBO and watched Diana, Our Mother: Her Life and Legacy, the documentary about Princess Diana as told by her two sons, William and Harry. To be clear about my affinity for this woman I must tell you a couple of things. First, I had my hair cut like her iconic hair for my own wedding. Second, she was only a few years older than I am, and she was our contemporary role model in almost…