As Gandhi famously responded when asked about "Western civilization," "I wish they had one," the same applies to "international community": "I wish there was one."

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.

The capitalist priority is efficiency of capital and profitability, which is generally inconsistent with protecting the vulnerabilities of people and nature.

The British leadership has acknowledged that it only became possible to end the violence in North Ireland when it stopped thinking of the [Irish Republican Army] as "a terrorist organization" and began treating it as a political actor with genuine grievances that deserved to be addressed.

The idea of self-determination was gradually given credibility by international law, and it lent strong emancipatory support to movements of liberation struggling against a West-centric world order. Latin American countries used international law creatively, both to limit the protection of foreign investment by establishing the primacy of national sovereignty in relation to natural resources, and by building support for the norm on non-intervention in internal affairs.

I think the impacts of 9/11 on academic freedom vary greatly depending on locale and time (softening with the passage of time), and even within the same community, and likely within the same schools. This variability makes it difficult to offer generalized responses without accompanying caveats.

Trump will have to take up juggling if he goes ahead and scraps the agreement with Iran and at the same time, seeks to avoid alienating Russia, and quite possibly France and Germany. These European countries are already nervous about what the Trump presidency means with respect to the future of the post-World War II international order that has essentially kept the peace on the continent since 1945. This order is far from perfect, of course, and under pressure from other sources, especially due to the rise of chauvinism and European Trumpism.