Mealey's (January 13, 2016, 5:03 PM EST) -- PHILADELPHIA — The National Labor Relations Board (NLRB) met each of the criteria for enforcement of a subpoena issued to McDonald’s USA and 28 McDonald’s franchisees for alleged labor violations, a Pennsylvania federal judge ruled Dec. 21 (National Labor Relations Board v. Jo-Dan Madalisse Ltd. LLC, No. 15-mc-00228, E.D. Pa.; 2015 U.S. Dist. LEXIS 171318)....