In an age when international institutions strain against the limits of national power, the United States has moved to sanction two senior officials of the International Criminal Court — including its president — framing the act as a defense of sovereignty against a body it never joined. The Trump administration, explicit in its desire to shield both American officials and Israeli Prime Minister Netanyahu from prosecution, has promised a campaign not merely to resist the court but to render it incapable of action. At stake is a question as old as organized power itself: who holds authority over