For the judicial icon otherwise known as R.B.G., Justice Ruth Bader Ginsburg’s past few roller-coaster months have included being lionized by Hollywood, laid low by cancer surgery, and most recently issuing one of the Supreme Court term’s more important decisions, placing limits on civil forfeiture, within a day of returning to the bench. People who know almost nothing about the court and can’t name another justice know her name. In a celebrity-saturated age, she is one of the culture’s most unlikely rock stars. Yet for all the accolades that have come her way, I’m willing to bet that among the...