For 500 years, since European explorers came, Latin American countries had been separated from one another. They had very limited relations. Integration is a prerequisite for independence.

Say the Pentagon Papers, - that material went much deeper. It went into internal government planning back for twenty - five years. Those are things that the public should have known about. In a democracy they should have known what leaders thinking and planning about major enterprises like the Vietnam war. It was kept secret from them.

Ever since I've had any political awareness, I've felt either alone or part of a tiny minority.

Everyone engaged in research must have had the experience of working with feverish and prolonged intensity to write a paper which no one else will read or to solve a problem which no one else thinks important and which will bring no conceivable reward - which may only confirm a general opinion that the researcher is wasting his time on irrelevancies.

Those of us lucky enough to have a share of privilege in the more free societies should not be asking this question, but doing something to answer it.

I've already supported Bernie Sanders in the primaries.

It has been known for some time that a major nuclear war might lead to nuclear winter that would destroy the attacker as well as the target. And threats are now mounting, particularly at the Russian border, confirming the prediction of George Kennan and other prominent figures that NATO expansion, particularly the way it was undertaken, would prove to be a "tragic mistake," a "policy error of historic proportions."