"The one place where a man ought to get a square deal is in a courtroom," said the great fictional lawyer Atticus Finch, hero of the beloved classic To Kill a Mockingbird. Finch maintained that: "Our courts have their faults as does any human institution, but in this country our courts are the great levelers, and in our courts all men are created equal." Our courts are where people can freely exercise their rights by challenging what they believe is government overreach. What makes it work is our adversarial system in which lawyers zealously represent their clients—even if the case...