Each day I walk out of my Minneapolis house into an atmosphere protected from pollution by the Clean Air Act. As I step onto a sidewalk that was built with tax dollars for everyone, my spirits are lifted by the beauty of my neighbors’ boulevard gardens. Trees planted by people who would never sit under them shade my walk. I listen to public radio, a nonprofit service broadcast over airwaves belonging to us all, as I stroll around a lake in the park, which was protected from shoreline development by civic-minded citizens in the nineteenth century… more…