When my son was about 2, we brought him to a beer garden in D.C. that turned out to have a working historic fountain right in the middle. In my bag, I’d brought several Hot Wheels cars, as I did for ...

The first time I ever ran for the sake of running—not between bases during a softball game or to avoid being tagged “it” at recess—was for the Presidential Fitness Test, a set of fitness assessments ...