NPR’s Ari Shapiro speaks with writer Phillip B. Williams about his debut novel, Ours, a sprawling American epic that centers on a woman who frees enslaved people and builds a hidden town for them.NPR’s Ari Shapiro speaks with writer Phillip B. Williams about his debut novel, Ours, a sprawling American epic that centers on a woman who frees enslaved people and builds a hidden town for them.