Will careless security-clearance holders get a pass? Time will tell. Attorneys for people who allegedly mishandled classified information say the outcome of the FBI’s investigation into Hillary Clinton could be good news for their clients. Though many see a double standard in FBI Director James Comey’s decision not to recommend charges against the former secretary of state who used a personal and unsecured email system for official business, others see possibilities. Mark Zaid, a defense attorney for national security whistleblowers and people accused of mishandling secrets, says he plans to ask for “the Clinton deal” in the future. And Zaid...