Nine Black Robes displays the inner maneuverings among the Supreme Court justices that led to the seismic reversal of Roe v. Wade and a half century of women’s abortion rights. Biskupic details how rights are stripped away or, alternatively as in the case of gun owners, how rights are expanded. Today’s bench—with its conservative majority—is desperately ideological. The Court has been headed rightward and ensnared by its own intrigues for...