They "have little way to know whether canvassers are actually knocking on doors or whether they are cheating – for instance, by “speed-running” routes"
There's a UK scheme called Flood Re that does this kind of thing. If you're more than a certain probability of flooding, you need to go with an insurer that's backed by the government's reinsurance policy.
Your last example reminds me of someone editing Wikipedia to list Ronnie O'Sullivan as the winner of the World Open, about 20 minutes before the final match finished.
They were right, and anyone would agree that it was all-but-certain, but it hadn't actually happened yet.
I have no idea - I saved the picture with the idea of making a JavaScript image-map replica to play with, but haven't been able to find any documentation or manuals for it yet?
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