Reviewed by GREG KING Director: Ariel Kleiman Stars: Vincent Cassel, Jeremy Chabriel, Florence Mazzara. Australian filmmaker Ariel Kleiman hails from a background in short films and short documentaries (his 2010 20-minute short Deeper Than Yesterday has won several awards) and this background shapes his debut feature film. The grim but flawed Partisan is a bleak coming of age tale set against the backdrop of a …