Nos. 11–1326 11–1398. 2013-04-26 FLAGSTAFF MEDICAL CENTER, INC., Petitioner v. NATIONAL LABOR RELATIONS BOARD, Respondent. On Petition for Review and Cross–Application for Enforcement of an Order of the National Labor Relations Board. Steven D. Wheeless argued the cause for petitioner. With him on the briefs was Alan M. Bayless Feldman. Elizabeth A. Heaney, Attorney, National Labor Relations Board, argued the cause for respondent. With her on the brief were John H. Ferguson, Associate General Counsel