State-sponsored hackers penetrate the systems of other nations. It happens regularly. The United States does it. China does it. Russia does it. Iran does it. Sometimes, hacking reveals that someone in the hacking nation is working with the enemy. When that happens, someone dies. Sometimes, a secretary of state receives e-mails — on her unsecured, private e-mail server — about an Iranian scientist who is providing information to the United States and then that scientist is later executed for espionage.Throughout the scandal surrounding her use of an unsecured, private e-mail server, Hillary Clinton claimed that she “never sent or received...