On April 16, the U.S. Supreme Court heard argument in Kennedy v. Louisiana, a case challenging the constitutional validity of a death sentence imposed for the rape of a child. In this column, I will take up some of the intriguing ideas that emerged from the questions that various Justices posed to the attorneys arguing before them. In particular, Justice Ruth Bader Ginsburg and Chief Justice John Roberts, in their efforts to understand the force and content of earlier Court precedents, revealed important clues to their respective views on a variety of issues. Precedent on Point: Coker v. Georgia ...