The past is read only. However, given the opportunity, I just might create many alternate timelines.
A really good Twilight Zone episode, “Rip Van Winkle Caper,” has a group of criminals stealing gold bars from a vault, and hiding out in a remote cave where hibernation cubicle await them. The idea is that their existence, i.e. aging, will be put on pause until many years in the future when all of the authorities looking for them will be dead and gone, and they’ll be able to enjoy their gold haul without worry of prosecution. Waking up 100 years later (all but one, who succumbed to the years through a shattered glass cocoon,) deadly greed gets the best of them until only 2 survive, and then only 1 after a final murder.
Dying of thirst, the one barely-surviving outlaw offers a gold bar to a passing hovercraft motorist couple for a drink of water. He then dies. The contemporary motorist looks puzzled at the offer of gold, which has been synthetically created for many years and was now virtually worthless.
The past is read only.
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If only. The democrats have been historical revisionists for many decades.