He is ready to use fair means or foul, real texts or fakes, truths or falsehoods, to bring it down.
He is a liar, but he doesn't fake the truth where it counts.
The Oxford English Dictionary has even made post-truth its "word of the year," defining it as "circumstances in which objective facts are less influential in shaping public opinion than appeals to emotion and personal belief". But just as with fake news, the truth, if I may still use that word, about post-truth is more complex than many allow.
But, as is so often the case when the President cries "fake news," the truth soon emerges.
Your story about a Guardian Foundation project teaching schoolchildren the difference between fake news and truth highlighted a tired allegation that Oxford city council had been "threatening to fine homeless people £2,500".
Jack Zhou, an instructor in environmental politics, says some occupants of so-called "news bubbles" may prefer to accept fake news as truth.
As new technologies continue to enter our lives and the boundary between reality and virtual reality becomes ever more tenuous, we would do well to remember the great lesson of cinema, and of Her in particular – that out of what appears fake can come truth.
For all the talk about fake news, the truth is that we know a lot about why people read, believe, and share things that aren't true.
Spare me the false equivalence: yes, you occasionally find people on the left claiming that the numbers have been faked or the truth hidden, but not leading figures in the media and major-league plutocrats.
Given the rise of fake news, "post-truth" election campaigns, misleading polls and Michael Gove's notorious attack on experts, it has been a challenging period for the concept of trust.
