The car jolted among the potholes on the road. It is a long dirt road, and one must be careful. To no avail: a hard edge in a small pothole struck the underside of the car. A little pop, and that was that. Burhan looked behind him and said he needed to stop. A long trail of oil drops stretched behind us. Another moment passed, and the engine gasped and died. We were on our way back from...