Dani Shapiro is a writer who is very interested in family secrets. After Shapiro sent a sample of her saliva to a DNA company to find out more about her heritage, the results that came back rocked her world. Shapiro discovered that the man she spent her life calling dad was not her biological father. We talk about identity, what we hide from one another and the family secrets in Shapiro’s new novel Signal Fires. “Now What?” is produced with the help of Steve Zimmer, Alex Wolfe and Andreea Coscai. Audio production is by Nick Ciavatta.