Most afternoons, I take a walk with our dog, Rigby. Depending on which direction he decides to explore that day, we end up passing through the local park or along the quiet streets of our small village. In the fall and spring, those walks almost always take us past youth sports fields. Little League baseball. Lacrosse practice. A girls’ high school softball game. Parents line the sidelines, leaning forward in folding chairs or pacing along the fence line. They shout encourage