Mealey's (January 9, 2023, 11:30 AM EST) -- WASHINGTON, D.C. — A petition by Union Pacific Railroad Co. seeking review of a Railway Labor Act (RLA) retaliation lawsuit brought by a union against the railroad due to an alleged circuit court split over the definition of “representative” under 45 U.S. Code Section 152 Third, the scope of any exceptions and whether arbitration may be bypassed was denied by the U.S. Supreme Court on Jan. 9....