By James Farr | OPINION CONTRIBUTOR You Gonna Let My Good Air Out? By late afternoon in August, the west-facing wall of the house in Oak Park has been collecting sun for three hours. The glass holds it. The drywall holds it. The air inside stops moving around two o’clock and doesn’t start again. Shades pulled. Fan running. The house baking anyway. Outside, somebody pulled two chairs off the porch into whatever patch of shade the eave still thr…