Peter Strzok, who was pulled off Special Counsel Robert Mueller's investigative team last year, played a more central role than previously known in both the Russia and Hillary Clinton email probes, a lawmaker familiar with the matter told Fox News Tuesday. The lawmaker's assessment of Strzok's role in both investigations was based on the most recent records and testimony, including a closed-door interview with FBI espionage chief Bill Priestap. Priestap was interviewed Tuesday as part of an ongoing joint investigation by the House Judiciary and Oversight committees. Priestap was Strzok's supervisor and oversaw both the Russia and Clinton investigations. The...