On nuclear war, actions in Syria and at the Russian border raise very serious threats of confrontation that might trigger war, an unthinkable prospect. Furthermore, Trump's pursuit of Obama's programs of modernization of the nuclear forces poses extraordinary dangers. As we have recently learned, the modernized U.S. nuclear force is seriously fraying the slender thread on which survival is suspended.

In the 1960s, there was a point, 1968, '69, when there was a very strong antiwar movement against the war in Vietnam. But it's worth remembering that the war in Vietnam started - an outright war started in 1962.

South America goes its own way dramatically in international affairs.

The whole basis for the US intervention in Colombia is outrageously racist and arrogant.

A language is not just words. It's a culture, a tradition, a unification of a community, a whole history that creates what a community is. It's all embodied in a language.

Take pandemics. There could easily be a severe pandemic. A lot of that comes from something we don't pay much attention to: Eating meat. The meat production industry, the industrial production of meat, uses an immense amount of antibiotics.We're now running out of antibiotics that deal with the threat of rapidly mutating bacteria. A lot of that just comes from the meat production industry. Well, do we worry about it? Well, we ought to be.

If you go back a century in Europe, all over the place people were speaking different languages. There were dozens of languages in France and Italy, and they're all called French [and Italian], but they were not mutually comprehensible. They were different languages. And they have mostly disappeared in the last century or so. Some are being preserved, like Welsh, some are being revived, like Basque or Catelan to some extent. There are plenty of people in Europe who can't talk to their grandmother because they talk a different language.