Mealey's (July 20, 2021, 4:33 PM EDT) -- NEW YORK — A federal judge in New York must enforce an administrative subpoena issued against MetLife Inc. because it is valid, U.S. Department of Labor (DOL) Secretary Martin J. Walsh says in a May 18 reply to the insurer’s opposition to a petition filed as part of an investigation under the Employee Retirement Income Security Act....