It is often said that we live in "post-truth" times, as if misinformation and disinformation are an innovation of the internet age.
The people who bend reality to fit ideology have been around for decades - for centuries - and they play the long game.
One of the most popular and long-running TV series in US history premiered in 1974.
Little House on the Prairie was a big slice of sweet American apple pie.
But sometimes sugar is for covering-up something rotten...
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