Love him or hate him, Antonin Scalia has had a greater influence on the way Americans debate the law today than any other modern Supreme Court justice. Conservatives hail Scalia as the founding prophet of their true faith — the Jurisprudence of Original Understanding — and the leader of the opposition to moral relativism and judicial imperialism in the age of Obama. [...] It’s hard to write a fair-minded biography of such a polarizing figure, but that’s what Joan Biskupic has done with “American Original.” ... On the court, Scalia has shown a disdain for elites that keeps him not...