Supreme Court Justices and their ideologies

A common question for students will refer to the ideologies of Supreme Court Justices; you may be asked whether they reflect the President who appointed them. In this article, the Washington Post outline some striking similarities between Justice Kennedy and Justice Scalia, including being appointed by the same President, yet contrasts their difference in looking at their stance on gay marriage. A really good example of how a President cannot not necessarily predict the actions or ideology of a Justice before they get on the Court, and also of how the Justices are independent of political influence.