WJLA ABC World News With Diane Sawyer August 8, 2012
good evening. we begin with a warning for every american family packing up the car for one last vacation during these dog days of summer. the price of filling up is about to go up again, way up. look at this. for weeks, the average price of gas has been on a steady climb. now, it's about to take off. the week began with news of a 14 cent surge, the biggest one-week jump in a year and a half. tonight, new signs of trouble, including a fire out west that could spike gas prices across the coast. abc's neal karlinsky explains. >> reporter: you've hear the predictions for months. tensions...