Senators Byron Dorgan, John Kerry and Richard Durbin pulled a fast one last week on their congressional colleagues. They tried to bury forever documents alleging that senior government officials tried to transform portions of the IRS and the Justice Department into a goon squad for attacking political enemies and aiding political friends. Naturally, they didn’t declare their intentions openly. Instead, Sen. Dorgan attached an innocent looking amendment to the Emergency Supplemental Appropriations bill that will fund government operations after September 30. The last-minute amendment read: “At the end of the bill, add the following: “SEC. __ . (a) None of...