Gene Maddaus Senior Media WriterGersh Agency principle David Gersh has voiced his support for CAA’s position on the role of talent managers in the agency’s larger fight with the Writers Guild of America.In a declaration filed Friday in federal court in Los Angeles, David Gersh asserts that WGA West executive director David Young told him that the guild would continue to ask talent managers to help find jobs for writers in order to keep the pressure on CAA and WME, the two largest agencies that