Charlie wears broken glasses held together with tape and toothpicks. He is unemployed and occupies a one-bedroom apartment in Westchester, California, a half-mile northeast of LAX. Charlie eats in his car. His 1991 Nissan Stanza is a mausoleum of fast food, Frito Lay and Little Debbie wrappers. When Charlie was in the sixth grade, some of his classmates took to calling him “blubber butt.” Although the nickname didn’t stick, he has not quite gotten over it. Limulus is a distant relative of the sea spider and one of the oldest creatures in the ocean. These spiders were among the first…