In his eye-opening new book, A Walk Down Misery Street, Petr Nemirovskiy serves as a compassionate witness to the diverse lives that intersect in a busy outpatient drug treatment clinic and ED of one of New York City's hospitals. Although the accounts are fictionalized, Mr. Nemirovskiy draws on his real-world experience as a certified substance abuse clinician to provide a unique and accessible perspective on the lives of drug users. The...