They are really coming. Official investigations of the George W. Bush administration are on the way. Karl Rove and Harriet Miers have just agreed to limited testimony before the House Judiciary Committee, which is looking into the seemingly politically-motivated firings of seven U.S. Attorneys. Judiciary Committee Chairman John Conyers and Patrick Leahy, his senate counterpart, have additional potential improprieties in their sights, and they are not alone.