Today, around the world, demagogues appeal to our worst instincts.
Conspiracy theories once confined to the fringe are going mainstream.
It's as if the age of reason, the era of evidential argument is ending,
and now knowledge is increasingly delegitimatized and scientific consensus is dismissed.
Democracy, which depends on shared truths, is in retreat,
and autocracy, which depends on shared lies, is on the march.
- Sacha Baron Cohen
Let us not look back in anger or forward in fear, but around in awareness. 
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