HAVILAH, Calif. — St. James and LaDonna Davis raised Moe the chimpanzee as their son. That was the word they used to describe him, and that was how they treated him — like a hairy, rambunctious child who was a pampered member of the family. They taught him to wear clothes, to take showers, to use the toilet and to watch TV in their West Covina home. They had their picture taken in bed with him. On Thursday, the day they marked as Moe's 39th birthday, their love for the chimp nearly cost them their lives. The Davises were visiting...