On this edition of StudioTulsa, our guest is pioneering conceptual artist Mel Bochner. Since his groundbreaking 1966 work, "Working Drawings," which featured photocopied working drawings, bills, and ephemera of his artist friends, Bochner has explored painting and language, and asked viewers to think about both in new ways. He's best known for his thesaurus works, several of which are in the new exhibit at Philbrook, "Amazing! Mel Bochner Prints from the Collections of Jordan Schnitzer and His