SI Now: Hill Harper's new book "Letters to an Incarcerated Brother"

On Friday's SI Now, author of "Letters to an Incarcerated Brother" Hill Harper discusses how his current book stemmed from book reports he received from inmates

On Friday's SI Now, author of "Letters to an Incarcerated Brother" Hill Harper discusses how his current book stemmed from book reports he received from inmates and the problems with the prison system in the United States.