Several current and former congressional oversight staff have been recently informed that the U.S. Justice Department seized their phone and email records back in 2017 as part of leak investigations, belated revelations that have touched off an inquiry by DOJ's internal watchdog and raised serious concerns about the separation of powers between the executive and legislative branches. Over the last week, several current and former Senate and House staff from both political parties have alerted Congress that they received belated notifications from Apple, Google or other Big Tech firms that their email or phone records were obtained from their personal...