TODAY’S FINANCIAL lesson: We can manage risk—but terrible stuff can still happen. This thought, of course, was prompted by my recent cancer diagnosis. But the notion is also all too relevant to money management. But let’s start with health matters. In 1995, I began training for my first marathon, which I ran in May 1996 in Pittsburgh and finished in just under three hours. Ever since, I’ve been a bit of an exercise nut.