A Netflix series ignited a firestorm in Argentina. Its top two politicians are involved

It’s not every day that a Netflix series elicits public comment from presidents. But in Argentina, the true-crime docuseries “Nisman: The Prosecutor, the President and the Spy” has done just that. From two presidents.

Released on Jan. 1, “Nisman” has caused a furor in Argentina, where it revived questions about the 2015 death in Buenos Aires of well-known prosecutor...