When I told my son that I had to give a talk about my work to non-mathematicians, he warned me that regular people don't think like mathematicians.

I do think there is an enhanced awareness of insecurity and vulnerability that induces anxiety that creates pressure on teachers and administrators to offer simplistic explanations and to be resistant to expressions of attitudes that can be viewed as unpatriotic, which is further interpreted as applicable to any tendency to challenge the government when it claims to be acting overseas to avoid repetitions of 9/11 or to encroach on domestic freedom to identify suspicious persons and behaviors.

When I told my son that I had to give a talk about my work to non-mathematicians, he warned me that regular people don't think like mathematicians.

On the one side, I welcome prosecutions of individuals such as Pinochet, and would welcome the indictment, prosecution, and punishment of Kissinger. On the other side is the geopolitical reality that only those in the global South are likely to experience the impact of Universal Jurisdiction.

I am quite confident that there are numerous discussions going in various "deep states" throughout the world about how to contain Trump's America geopolitically and economically, given the early indications that his policies will intensify conflict in many parts of the world.

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.

More recently the US has more accurately been viewed as a militarist 'empire' that fights destructive wars and intervenes in a variety of societies, especially in the Middle East to retain control over oil reserves, and lends crucial support to Israel that not only oppresses the Palestinian people but threatens to convert the entire region into a war zone.