...residents—as lawful self-defence against an armed attack, provided for in Article 51 of the UN Charter and long established as a rule of customary international law. Blogposts have been written, Tweets have been published, and I suspect, a few insults have been exchanged. Debate and disagreement are vital components of any academic discipline. As academics, we customarily position our own work in relation to the fault
lines in existing scholarly debate, and we regularly ask our students to familiarise themselves with, and write about, key controversies in the subject area....