By Dan McLaughlin, National Review - There is a saying — perhaps as old as Aristotle — that courage is the first virtue, because it makes all the others possible. We usually associate courage (or its absence) with leadership by elected officials: There are times when it is hard to stand up for your principles, to stand against your own party, or both. From judges, we are told, the important thing is to follow, not to lead: to have the ascetic self-discipline to apply the Constitution and laws as written, and not to put your own policy preferences above the letter of the law... Two of today’s Supreme Court decisions, on abortion and separation of powers, are further evidence of this. ...