How big is too big? In an era where corporate consolidations are commonplace, big business is running low on the number of major players in many industries. It’s happened in steel, it could be happening in rail, and now power generation faces the same question.

There are so many ways we calm ourselves with half-truths. I once saw a study that purported to show that extra weight as we age is an important buffer, improving our likelihood of aging well. From this small piece of research, I told myself that the extra five pounds I carry is good for me. Probably not.