David Lane studies tattoos. And the ISU professor has a new book on how this apprentice-based art form builds consistency and tradition in its practices. The very popular industry has some interesting quirks. Hear about the sociology of tattooists and their values. Bloomington and Normal Police Departments have significant vacancies in the ranks and its not just them. It's a state and national issue. Normal PD has 11 vacancies. Last year there were three. Many Americans have no knowledge of the richness and variety of the many Latino cultures. It's Latin X and Hispanic Heritage Month.