The world of cinema loves to tackle the devastating effects of substance addiction. The life and times of a drug addict provide weighty fodder for any potential screenplay, particularly those which also seek to portray an addict's loved ones, as they watch helplessly from the sidelines. In writer/director Felix van Groeningen's compelling but frustrating Beautiful Boy, the tale is mostly told from the perspective of a beleaguered father, rather than the titular addict himself. It's a curious twist on this all-too-familiar tale, and one likely being lived by thousands of...