Christian Science Monitor: As Congress heads into its last week before August recess and political conventions, there’s one big item on the must-do list: Action to ease energy costs for American families. With a gallon of gas hovering at $4, energy prices are the No. 1 issue on voters’ minds. But congressional leaders are increasingly deadlocked over what to do. In response, frustrated rank-and-file members on both sides of the aisle are stepping up efforts to find common ground. Last week, Republicans …