As matters now stand, the combination of genocide, as conventionally understood, and crimes against humanity, seems sufficient to cover the criminality of political leaders, and the lethal consequences of totalising ideologies.

We live in a state-centric world faced with global-scale problems that cannot be met by the actions of single states, no matter how powerful, if assessed from the perspective of military capabilities.

It may be that there is so much ambiguity and ideology attached to the term 'terrorism' that it is best to avoid its use altogether, as it is likely to be twisted in public discourse to demonise the enemies of the established order, while exempting state violence from legal and moral scrutiny.

Capitalism is in crisis both morally, due to widening disparities of income and wealth and disclosures of abusive practices, and ecologically, due to its refusal to make business adjustments in accounting procedures that pass the consequences of emissions to the public and the future.

When Daniel Gorenstein was chair, he did mathematics from 5am to 12noon, spending the second half of his working day on administration. When I was chair, I also spent half of my time on research: every other minute.

Doing something, however pathetic, is psychologically better than doing nothing. In the current political environment - that is, with no more Cold War tensions - the tendency is to counteract the feelings of fear and vulnerability with a variety of military, paramilitary and police measures, despite the reality that this kind of excessive reliance on force in many ways intensifies the very problem it is purporting to solve.

The UDHR has become an iconic document over the course of more than six decades, the starting point for discussions of whether or not the rights as set forth are truly universal or slanted to reflect the hegemony of Western values, especially those associated with liberal individualism.