I always believed as a speechwriter that if you could persuade the president to commit himself to certain words, he would feel himself committed to the ideas that underlay those words. And the big shock to me has been that although the president said the words, he just did not absorb the ideas. And that is the root of, maybe, everything.

A presidential speech is always the work of many hands.

Partly because of the desperate economic situation in the country, what were once the leading institutions of conservatism are constrained.

One of the great drivers of the alienation that has made Donald Trump possible is that the growth in the American economy has been weak. In the decade from 2005 to 2015, there was not one year when the US hit three per cent growth. And to the extent there's been growth, virtually all of it has been collected by the top 10 per cent of the population. Obviously, if we knew how to make growth faster, we would. We don't. And it's very difficult to make growth more broadly shared. Because it's not just the US that has this problem.

The thing that sustains a strong Fox network is the thing that undermines a strong Republican party.

America under 30 is a more non-whites place than America over 60. And we know that non-whites and whites vote differently.

One might almost say, to adapt von Clausewitz, that modern warfare is PR by other means. And war-winning strategies mean that modern armies most stop treating their communications operations as secondary assignments or (as still too often happens) dumping grounds for officers who have failed at everything else - but as missions absolutely essential to success.