Twitter’s former head of security, Peiter “Mudge” Zatko has come forward blowing the whistle on the company’s internal security practices—which he says are serious national security threats. Zatko sent the complaint and supporting documents to the Justice Department and the F.T.C. and has gone public with his concerns about the platform. We dive deeper into what it’s alleged that Twitter has been hiding and its implications.

Jury throws out government’s case—finds FBI agents fabricated a kidnapping threat against Michigan governor so they could pretend to be heroes by foiling a “crime” of their own creation. FBI director’s use of entrapment is part of a strategy designed to sow public fear and render support for draconian anti-terrorist...