Sylvia knew all of the rules about going out to one's car at night. She had done the same thing hundreds of times, and nothing even remotely scary had happened. She knew not to dig in her purse, to have her keys ready, and to be prepared to hit the panic button if necessary. Unfortunately, her car was so old, there was no panic button. She had other ways of defending herself, however, and though she was a bit distracted, thinking about the difficult customers she had served that night, she ...