Joann Davis had a moon rock. Yes, it was real. A gift, she said, from Neil Armstrong to her late husband. She also had an ill son and the Lake Elsinore resident wanted to help with his medical care. So she contacted NASA about her intention to sell it. That led to a nightmare situation on May 19, 2011, when Davis stood in the parking lot of a Denny’s restaurant in pants soaked in urine, answering questions from a federal agent about a rice-sized piece of moon. “He kept saying, ‘You will be going to federal court, you will be...