Last week Spanish authorities charged Baltazar Garzon—an investigative judge famous for crusades against foreign leaders—with abuse of his authority. Mr. Garzon will stand trial for opening an investigation into atrocities committed under Franco's dictatorship, which ended in 1975. He won't go to jail; at worst, he'll be stripped of his powers for a period of time. But whatever the outcome, this trial marks the end of a failed experiment in international justice.

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