Book excerpt: For over two decades John Green's vocation has been ministering to inner city men on the margins of society in downtown Chicago. Green didn't set out to be another Dorothy Day or Mother Teresa, and would be quick to tell you he hasn t become one. A product of middle class, church-going comfort and values, he heeded God's challenge to found Emmaus Ministries, which serves some of the modern-day lepers that are in our midst. Struck by the words of Micah 6:8 and the act of a homeless man who gruesomely ended his life in Green's presence, Green vowed to constantly ask himself: How can I live justly? To whom do I show mercy? How may I walk humbly with God? Deacon Green's lessons learned regarding these hard questions are set against stories of men who struggle to escape poverty, addiction, and sexual sin while encountering Christ in the process. But this book is much more than the account of how one ministry combats a social problem to which most of us wish to remain blind. It is abou