Agreed on that, but I think it was the very first case before the supreme court in which they declared their central role to be to decide "what the law is" or s

Agreed on that, but I think it was the very first case before the supreme court in which they declared their central role to be to decide "what the law is" or some similar statement. Even though it's not constitutionally defined, like all old, atrophying organizations, inertia basically guarantees survival.