By Daniel Bates The NFL is officially stepping into the Tiffani Johnston situation. On Wednesday, Brian McCarthy, PR for the NFL’s league office, revealed that the NFL itself will conduct an independent investigation into allegations against Washington Commanders owner Daniel Snyder. Not the owner himself. Per Tom Pelissero, “The NFL says the league — not Daniel Snyder and the Washington Commanders — will conduct an independent investigation into an allegation against Snyder.” Attached with a statement from McCarthy reading: “Last week, the League stated that we will review and consider Ms. Jo…