The reality is – and we know it – that Supreme Court Justices are not neutral – and their political allegiances align with who has appointed them. They interpret the law much like how we can use statistics – to bolster particular positions – under the guise of objectivity and neutrality. Another reason, although difficult to decipher by some, why the outcome of the next election is so important.
http://www.politico.com/magazine/story/2016/07/ruth-bader-ginsburg-donald-trump-supreme-court-politics-history-214044?cmpid=sf