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[Benjamin Nussberger is a PhD student and research fellow at the Institute for Peace and Security Law at University of Cologne. He is currently pursuing a LLM degree at Columbia Law School.This post is a response and addendum to Professor Helal’s post Crisis in The Gambia: How Africa is Rewriting Jus ad Bellum.] The Security Council did it again. Intentionally? No...

The legal battle over President Trump’s recent executive order has cast a spotlight on the president’s broad and potentially abusive powers over U.S. immigration laws.  But it is worth remembering that this power can be used in many different ways, including in ways that the President’s critics would support.  This past December, Congress delegated to the president broad discretionary powers...

[Jonathan Hafetz is Professor of Law at Seton Hall University School of Law.] President Trump’s recent executive order temporarily barring the entry of refugees and others has provoked widespread protests, inflicted unnecessary suffering, and undermined the United States’ reputation across the world.  Several district judges have temporarily blocked its enforcement, at minimum preserving the status quo (by halting the removal of...

Because I am on sabbatical this semester, I have been lying low during these first few (very busy!) weeks of the Trump administration.  But I have noticed that the sheer volume of Trump administration actions, and reactions to its actions, is confusing both its supporters and its critics.  While Trump has already taken actions that are worthy of severe criticism...

[Dr. Mohamed Helal is an Assistant Professor of Law, Moritz College of Law & Affiliated Faculty, Mershon Center for International Security Studies – The Ohio State University.] Academic writing and political commentary on jus ad bellum are overwhelmingly focused on the policies, practices, and positons of major military powers. Countries such as the five Permanent Members of the UN Security Council,...

[Simon Chesterman is Dean of the National University of Singapore Faculty of Law. He is also Editor of the Asian Journal of International Law and Secretary-General of the Asian Society of International Law. Educated in Melbourne, Beijing, Amsterdam, and Oxford, Simon’s teaching experience includes periods at Melbourne, Oxford, Columbia, Sciences Po, and New York University.] An academic learns most through errors...

[Judge Xue Hanqin is a judge on the International Court of Justice. This post is part of a joint Opinio Juris/EJIL:Talk! symposium. For the latest symposium post on EJIL:Talk!, click here.] The rise of the new economies, particularly those in Asia, has caused considerable apprehension in the West. The concern is not just about shift of wealth to the East, but...

[B.S. Chimni is Professor of International Law at Jawaharlal Nehru University, New Delhi.This post is part of a joint Opinio Juris/EJIL:Talk! symposium. For the latest symposium post on EJIL:Talk!, click here.] In the current issue of European Journal of International Law Professor Simon Chesterman has written an important essay on the Asian approach to international law and international institutions, addressing in...

[Antony Anghie, National University of Singapore. Tony Anghie has written on various aspects of globalization, human rights, and the history and theory of international law. He is a member of the TWAIL network of scholars. This post is part of a joint Opinio Juris/EJIL:Talk! symposium. For the latest symposium post on EJIL:Talk!, click here.] Simon Chesterman’s article displays a customary rigor...

[Simon Chesterman is Dean of the National University of Singapore Faculty of Law. He is also Editor of the Asian Journal of International Law and Secretary-General of the Asian Society of International Law. Educated in Melbourne, Beijing, Amsterdam, and Oxford, Simon’s teaching experience includes periods at Melbourne, Oxford, Columbia, Sciences Po, and New York University.] A decade after moving from New York to...

The forthcoming issue of the European Journal of International Law will feature an article by Professor Simon Chesterman, the Dean of the National University of Singapore’s Faculty of Law, entitled Asia’s Ambivalence About International Law and Institutions: Past, Present and Futures. This week, Opinio Juris and EJILTalk will hold a joint symposium on the two blogs on Professor Chesterman’s article. The...

[Alexandre Skander Galand is a Newton Postdoctoral Researcher at the Center for Global Public Law, Koç University.] Exactly one week before the annual meeting of the Assembly of States Parties (ASP) to the Rome Statute, Fatou Bensouda, Prosecutor of the International Criminal Court (ICC), was before the Security Council (SC) presenting her Twelfth report on the situation in Libya pursuant to...