Union official denies force was used in persuading steel workers to join. Washington, D.C., July 22. Testifying before the Senate Civil Liberties Committee today, Philip Murray, Chairman of the Steel Workers Organizing Committee, declared that he knew of "no single instance" in which SWOC agents used force in persuading steel workers to join the organization. He said the SWOC had encountered its worst difficulties among workers of the Republic Steel Corp, 7/22/38