LA Times: THE FATHER and son struggling to stay alive in “The Road” understand that everything they know is coming to an end. Ext. ROAD — DAY In the burnt, barren landscape, through swirls of soft ash and smoggy air the MAN appears dressed as if homeless, a filthy old parka with the hood up, a knapsack on his back, pushing a rusted shopping cart with a bicycle mirror clamped to the handle and a blue tarp now covering its load. The little BOY, similarly dressed with a knapsack on his …