In the primary debates for the 2016 election, every single Republican candidate was a climate change denier, with one exception, John Kasich - the "rational moderate" - who said it may be happening but we shouldn't do anything about it. For a long time, the media have downplayed the issue.

Finally Irish were accepted into society and became part of the political system, and there were Kennedys, and so on. But the same is true about other waves of immigrants, like the Jews in the 1950s.

The Washington leadership has put aside non-proliferation programmes and devoted its energies and resources to driving the country to war by extraordinary deceit, then trying to manage the catastrophe it created in Iraq.

In the late 19th century there was a major union organization, Knights of Labor, and also a radical populist movement based on farmers. It's hard to believe, but it was based in Texas, and it was quite radical. They wanted their own banks, their own cooperatives, their own control over sales and commerce.

The childcare tax credit makes some sense.

The Saudi, Arabian ruling class, for example, have rights because they are performing a service for Western power, ensuring that oil profits go to the West and not to the regional population. The local gendarmes like Israel, Turkey and so on have rights, at least in their ruling groups. Others do not.

With regard to nuclear weapons, it's kind of hard to say. [Donald Trump] is said lots of things. The national security experts are terrified. But they're more terrified by his personality than by his statements.