Tom R. Tyler is University Professor at New York University, teaching in the Psychology Department and the Law School. He studies the exercise of authority in groups, organizations, and societies. His many books include The Social Psychology of Procedural Justice, Social Justice in a Diverse Society, Cooperation in Groups, and Trust in the Law. People obey the law if they believe it's legitimate, not because they fear punishment--this is the startling...

Rustlers have taken Clay Hardin's cattle and have holed up in San Antonio. So Clay does what any cowboy in his position would do: strap on his sidearm, ride into town and settle the score.