In a recent op-ed piece, Sen. Sheldon Whitehouse, D-R.I., described a “crisis of credibility” at the U.S. Supreme Court.Whitehouse laments:“Under [Chief Justice John G.] Roberts [Jr.], justices appointed by Republican presidents have, with remarkable consistency, delivered rulings that advantage big corporate and special interests that are, in turn, the political lifeblood of the Republican Party.”It is not just the rulings, but the number of 5-4 majorities where the five in the majority are all …