New documents obtained by Judicial Watch raise questions about the role of Clinton Inc. in the Benghazi debacle, particularly the involvement of Bill Clinton and longtime Clinton hatchet man Sidney Blumenthal. Mrs. Clinton, seeking to ease concerns about her ties to the Clintons’ powerful political machine, famously pledged as secretary of state-designate not to “participate personally and substantially” in matters relating to the Clinton Foundation or the Clinton Global Initiative. We now know that promise was swiftly broken. Blumenthal—a man so hated by the Obama White House that it banned the State Department from hiring him—was secretly put on Mrs....