Jesse Franzblau is the Associate Policy Director at the National Immigrant Justice Center, a Chicago-based nonprofit that provides legal services to immigrants and advocates for their rights.

Dr. Melody Glenn is an associate professor of emergency medicine at the University of Arizona. She’s also the author of Mother of Methadone, available now from Beacon Press. In the book, Dr. Glenn tells the story of Dr. Marie Nyswander, who developed methadone maintenance as a therapy for heroin use in the 1960s, w…