Reviewed by GREG KING Director: Xavier Dolan Stars: Anne Dorval, Antoine Olivier Pilon, Suzanne Clement. At just 25, Xavier Dolan is a precocious talent, an auteur who has made a number of movies exploring troubled adolescents and dysfunctional relationships between mothers and sons (I Killed My Mother, Laurence Anyways, etc). His latest film, the award winning Mommy offers more of his abrasive characterisations …