One of the more horrific examples of how the war on marijuana hurts families is making the rounds right now, and it illustrates just one of the more serious hypocrisies of prohibition. Last week, the story broke that a two-year-old child had sustained fatal injuries at the hands of her foster care provider. After the parents were called to the hospital for the last days of their Alexandria Hill's life, the death was ruled a homicide and the foster guardian charged with murder. [caption id="attachment_6853"…