For fifteen years, the Wilcoxes have been a family in name only. Though never the picture of happiness, they once seemed like a typical white Jewish clan from the Upper West Side. But in the early 2000s, two events ruptured the relationships between them. First, Naomi revealed to her children that her biological father was actually Black. In the aftermath, college-age daughter Bering left home to become a radical peace activist in Palestine’s West...