Offset by 30 years of Scalia and Thomas. These things tend to even out.
How many justices, appointed by Republicans, have turned into total libs over time? Conversely, do you imagine Kagan or Sotomayor will become more conservative over time? We have had some good conservatives appointed, but the result has been a tenuous, at best, holding action from a relentless left-ward tilt.
Right now, every controversial case depends on which way Kennedy will flop, as we wait for Obamacare to wend its way to the Supreme Court. How did the fundamental liberties of 310 million people become dependent on the whims of one black-robed lawyer?
I understand the intent of the Framers when they set up the Supreme Court, but I think the reality is that the Court has become entirely too powerful with no accountability to anyone.