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[Carsten Stahn is Professor of International Criminal Law and Global Justice and Programme Director of the Grotius Centre for International Studies, Universiteit Leiden. Jennifer S. Easterday is a Researcher for the ‘Jus Post Bellum’ project at the Universiteit Leiden and an international justice consultant. Jens Iverson is a Researcher for the ‘Jus Post Bellum’ project and an attorney specializing in public international law, Universiteit Leiden.] As...

In 2008, the U.S. Supreme Court held in Medellin v. Texas that rulings of the International Court of Justice are not "self-executing" under U.S. law.  For this reason, the Supreme Court refused to require Texas to stop executions that the ICJ had held in violation of U.S. treaty obligations.  It looks like Colombia's Constitutional Court has followed that same approach...

Events The Inter-American Affairs Committee of the International Law Section, the International Dispute Resolution Committee of the International Law Section and the Inter-American Bar Association are sponsoring a DC Bar Lunchtime Conference on "Property Rights Protection in the Americas: the Non-Arbitration Options", this Tuesday May 6, from 12-2pm at WilmerHale in Washington DC. More information and registration is here. Call for Papers As...

This week on Opinio Juris, Duncan posted an abstract to a book chapter arguing that IHL should adopt a duty to hack. He also argued that reports of the death of treaties are greatly exaggerated. Peter marked May Day with a post on global consciousness of the non-elites; Kevin argued that the PTC II is not treating defence attorneys fairly; Julian wrote about Florida's narrow...

Florida's legislature has just passed a bill that is an interesting variation on the wave of other foreign law bans that have been enacted in U.S. states.  Florida's new law would ban the use of foreign law in Florida state courts if that law "contravenes the strong public policy" of Florida or if the "law is unjust or unreasonable."  It...

Before the Piketty bubble reaches stage six (at this rate, sometime later today), a few thoughts on the geosocial implications of his theory of inequality. That theory has been getting the lion's share of the lion-sized attention showered on Capital in the 21st Century (Kindle edition available only). Those of you reading the reviews (if not the book itself) will know...

The ASIL Mid-Year Research Forum has fast become known as one of the best workshopping opportunities for new and established international law scholars alike.  It was launched by Kal Raustiala in 2011 at the Mid-Year meeting in LA, moved to Athens, Georgia in 2012, northwards to New York in 2013, and this year will take place in Chicago from November...

[Ryan Scoville is an Assistant Professor of Law at Marquette University Law School.] Recently the Supreme Court granted certiorari in Zivotofsky v. Kerry to resolve an important question in U.S. foreign relations law: does the power to recognize foreign states and governments belong exclusively to the President, or do the political branches hold it concurrently? More specifically, Zivotofsky concerns the constitutionality of Section 214(d) of the Foreign Relations Authorization Act of 2003, which requires that upon request from a U.S. citizen born in Jerusalem the Secretary of State must record “Israel” as the place of birth on the individual’s passport. Oral arguments are scheduled for the fall. The case has generated a lot of interesting commentary, the most impressive of which is a pair of law review articles (here and here) by Robert Reinstein, who uses textual and historical analysis to argue that the President shares the recognition power with Congress. In this post, I want to sketch out an alternative view that grants substantial recognition powers exclusively to the President while also making sense of Professor Reinstein’s historical research. As I understand it, Reinstein’s argument goes like this: First, claims of executive exclusivity must meet a heavy burden of persuasion because plenary executive power is contrary to the Constitution’s system of checks and balances. Second, the claim of an exclusively executive power over recognition fails to meet this burden—the plain text of the Constitution offers no support, evidence of original meaning is silent, and post-ratification history suggests, if anything, that the political branches hold the recognition power concurrently. Congress thus shares authority to recognize foreign states and governments. Reinstein focuses more on defeating the idea of plenary executive power than identifying the affirmative source of a concurrent power in Article I, but he notes that Congress’s authority to declare war, regulate foreign commerce, and enact necessary and proper legislation creates an implied basis for congressional recognition. In laying out an alternative view, I want to suggest first that it’s important to be precise about what “recognition” means. International law of course differentiates between the recognition of states and governments, and between recognition de jure and de facto. With de jure recognition of a state, the United States expresses that a given political unit qualifies as a state under international law and thus holds the rights and obligations that accompany statehood, including the right to invoke sovereign immunity and the act of state doctrine as defenses in court. De jure recognition of a government, by contrast, is acknowledgment of a foreign government as the depository of a state’s sovereignty. This kind of recognition signals a general willingness to enter into normal diplomatic relations and facilitate the government’s exercise of the state’s sovereignty vis-à-vis the United States. Finally, de facto recognition also entails a willingness to carry on official relations, but without necessarily saying anything about the particular form those relations will take. One can de facto recognize a foreign government, for example, without exchanging ambassadors or providing its leaders with immunity from suit. (For a more extensive discussion, see the work of Stefan Talmon.)

AJIL Unbound, the new on-line companion to the American Journal of International Law, has begun to publish short essays this week for its on-line Agora, The End of Treaties? (see the original call for papers here). So far, they have posts up by Tim Meyer ('Collective Decision-making in International Governance') -- and Joel Trachtman ('Reports of the Death of Treaty...

I've been remiss in my blogging lately for a variety of reasons, but I can't let pass two interrelated decisions by Pre-Trial Chamber II (sitting as a single judge) in the criminal proceedings against Aimé Kilolo Musamba and Jean-Jacques Mangenda Kabongo -- Bemba's lead defence attorney and case manager, respectively. The two men, who are currently in custody, are accused of...

Your weekly selection of international law and international relations headlines from around the world: Africa South Africa is celebrating the 20th anniversary of its first ever all-race, democratic election that ended decades of racial oppression under the apartheid system. International mediators have called on South Sudan's rebel leader to meet his rival President Salva Kiir to prevent an ethnic-fuelled conflict turning into a...

Last week's NETmundial conference serves as a reminder of just how much the nature of cyberspace remains (at least theoretically) undetermined.  We still can't agree on what kind of resource cyberspace "is":  Is it a global public good as Sir Tim Berners Lee proclaimed (i.e., a res communis) or just a collection of technology subject to sovereignty regulation like so...