Percy is supposed to be an empowering biopic based on the struggle of an independent Canadian canola farmer being silenced and pushed out of a family business by a bigger, faceless corporation;  accusing the Saskatchewan farmer, Percy Schmeiser, of stealing seeds when GMO contaminants are found in his crops.  The potential is there, but director Clark Johnson (S.W.A.T., Netflix’s Juanita) and screenwriters Garfield Lindsay Miller and Hilary Pryor haven’t provided other requirements to earn the attention…