My first job out of university was as a lawyer. Later, when I switched to a non-legal role, I enrolled in a Master of Laws. I selected some subjects relevant to my new job and that might be useful if I wanted to return to a legal firm. Among other subjects, I studied constitutional theory, international trade law, human rights law and energy law. How much do I know about those topics today? I can’t remember what we covered in constitutional theory, except for a recollection that we kicked o...