Oh, God, what if they're following me? He turned his head slowly toward the right and moved his eyes to look at the driver of the car on his right. It was a black woman. She did not look his way and looked innocent enough. He breathed slightly and looked to his left. The driver of the car was a white-haired, elderly man. I think it's okay, he thought. A tractor-trailer suddenly appeared in his rearview mirror. What the hell's he doing, he asked...