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Of the 1500+ posts I've written for Opinio Juris over the past seven years, none angered my fellow progressives more than the post in which I claimed that the killing of Usama bin Laden was perfectly legal under international law.  Here is what I wrote: To begin with, I think the applicable legal regime is international humanitarian law (IHL), not international...

Mark Klamberg, who is a lecturer in public international law at the University of Stockholm, has a detailed post on his personal blog about the likelihood -- or unlikelihood, to be more precise -- that Sweden would extradite Julian Assange to the United States.  He has kindly given me permission to reprint a significant portion of it (I've made minor...

A friend of mine asked me that question the other day.  Imagine that a non-state actor (NSA) had both a legislative branch that enacted criminal laws and a functioning criminal-justice system that prosecuted violations of those laws.  Could the NSA challenge the admissibility of a case pending at the ICC on the ground that it was already investigating or prosecuting...

As I noted last week, I have just finished a long chapter critically assessing the work of the Human Rights Council-created International Commission of Inquiry on Libya (COI).  My basic conclusion is that although the COI generally did an excellent job, particularly in terms of its fact-finding methodology, it seems clear that it was less interested in holding the rebels...

Of all my writing, my article on the relationship between national due process and the Rome Statute's principle of complementarity is almost certainly the most unpopular. (Except in the OTP.)  My thesis is a simple one: the failure of a national investigation or prosecution to live up to international standards of due process does not make a case admissible before...

Although clearly a step up from its genocidal predecessor, Kagame's government in Rwanda is anything but progressive. According to the State Department, the government is responsible for -- inter alia -- illegal detention, torture, enforced disappearance, attempted assassinations of political opponents, restrictions on the freedom of speech and press, violence toward journalists and human rights advocates, discrimination against women/children/gays and...

You asked and we answered! In our recent readers' survey, nearly 70% of the respondents indicated that they have an interest in learning about new jobs in relevant fields of international law or foreign policy. We have therefore teamed up with JobThread to provide an Opinio Juris Job Board for our readers. This board is updated frequently and offers jobs with a...

[Dov Jacobs is the Senior Editor for Expert Blogging at the Leiden Journal of International Law and Assistant Professor of International Law at Leiden University] This post is part of the Leiden Journal of International Law Vol 25-2 symposium. Other posts in this series can be found in the related posts below. In the next couple of days, this second LJIL Symposium brings to you two exchanges on articles published in Vol 25(2) of the Leiden Journal of International Law, on Climate Change and Legal Pluralism. As recent discussions on Opinio Juris show, these are topical issues and we hope that the following few days will contribute to the fruitful debate on these topics. The first discussion revolves around Against Fairness? International Environmental Law, Disciplinary Bias, and Pareto Justice, the thought-provoking article by Mario Prost and Alejandra Torres Camprubi, with responses from Karin Mickelson and Eric Posner. While this constitutes the introduction to our symposium on Fairness in International Environmental Law (IEL), both authors raise issues that touch upon a number of considerations that are most relevant for international law in general. For one, they challenge the linguistic, and therefore ideological, biases of their colleagues. The rhetoric of progress and heroism that is in fact a mask on a patronizing view of the ‘other’, the ‘weak’ or the ‘victim’ is not specific to IEL. The fields of Human Rights and International Criminal Law are fueled in large part by such discourses and Manichean dichotomies of “good” Vs “evil”. The same is true of International Investment Law, which is structured by similar narratives on the greedy investor and the weak state representing the general public interest. It is therefore refreshing to see such self-reflection from the authors. Second of all, they discuss the role of fairness in IEL, specifically targeting its explicit exclusion by, among others, Eric Posner and David Weisbach in Climate Change Justice. Again, the question of what ‘fairness’ means as a philosophical and ethical concept, but most importantly its relevance as a legal norm, cuts across a number of fields of international law. The debate between the authors and Eric Posner illustrates the difficulty of approaching this issue. Indeed, while I agree with Prost and Camprubi that Posner, under the guise of pragmatism, is actually arguing another version of fairness, I would say that the substantial disagreement between them actually in itself proves Posner’s point. Because ‘fairness’ is not a monolithic concept in such a pluralist world, it will only be a relevant legal concept if some agreement can be reached on its content beforehand. Which brings us to our second discussion, relating to The Limits of Pluralism, the thoughtful Review Essay by Tom de Boer of Nico Krisch’s Beyond Constitutionalism, the Pluralist Structure of Postnational Law. We are delighted that Nico Krisch himself, as well as Daniel Halberstam, two eminent participants in this debate, have accepted to contribute to the symposium.

At one time in the mid-1990s, it seemed like a week couldn't go by without some large gathering of States seeking to hammer out the terms of a new multilateral treaty with aspirations for universal membership.  Such treaty negotiations have become a rarer phenomenon today with most meetings now emphasizing implementation of, and compliance with, existing treaties.  And where new...

As Mark Kersten has already ably discussed at Justice in Conflict, the ICC released a statement yesterday regarding Melinda Taylor's detention.  Ironically, although I think everything about the statement is profoundly devastating to the Court's credibility, I am actually slightly less bothered than Mark by the "regret" section of the statement: The ICC deeply regrets any events that may have given...

[Editors Note: We inadvertently posted the incomplete version of this post by Jeremy Rabkin this morning. This post has his response to Prof. Noyes earlier post today. Sorry for the confusion.] [Jeremy Rabkin is Professor of Law at George Mason University School of Law.] Craig Allen has performed a valuable service by reporting the range of sea-related treaties where we have already committed to...