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Greece’s slow and cumbersome justice system moved with stunning swiftness over the weekend to arrest and charge a respected investigative journalist who published a list of prominent people with Swiss bank accounts. Contrast that with the two years that Greek tax authorities sat on that same list after the French government, which had seized it in a criminal investigation, turned it over to Greece to determine whether some of those Swiss accounts were possibly linked to tax evasion.

Swiss bank accounts are legal, but they can easily be used to avoid paying taxes. Yet a succession of Greek governments, which had pledged to increase tax revenues, failed to investigate the matter. Thanks largely to the decision by the editor Kostas Vaxevanis to publish the list in Hot Doc...