They stopped for gas and lunch and to clean the windshield. The pump was in front of a bar called the Hitching Post in the town of Melrose. It was cold and the air from the Jeep’s heater had been getting cooler and cooler and Jack had three theories. One, there was a new air bubble in the heater core. Two, the core itself was bad and filling with rust as fast as he could flush it out. It wouldn’t be long before he needed to