The fight over the future of Nashville Fairgrounds Speedway is getting more heated.
The initial debate over whether racing should stay at the historic track has grown into a bigger fight over a petition that could remove racing from the Fairgrounds.
In recent weeks, some opponents of the petition have accused canvassers of giving voters misleading information while collecting signatures. Hidden-camera footage has added to the controversy, while a new advertising campaign has taken the fight to an even bigger audience…