In a recent lecture at Yale University, Supreme Court Justice Stephen Breyer cautioned that while most citizens assume that judicial review is an enduring part of American government, judges should not take it for granted. He advises that if judges wish to preserve this undemocratic power they should follow a judicial philosophy that will "build confidence in the courts" (Breyer, 2011). Justice Breyer goes on to describe the kind of judicial philosophy he has in mind. However, some of his colleagues on the Supreme Court would reject his ideas about what philosophy should guide judges.

The role of judicial philosophy (or ideology) in Supreme Court decision-making, especially in its exercise of judicial review to invalidate laws enacted by a democratically elected Congress or state...