We don’t typically associate parks with social issues like race and class. But race and class matter when it comes to parks and recreation. Longtime Chicagoans will remember the campaign in the early 1960s to integrate Rainbow Beach in the then white neighborhood of South Shore—one of many examples of the color lines around Chicago’s public spaces. Parks are where we relax, grill, exercise, walk the dog and watch our kids play sports. What can be more universal than that?