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Many thanks for your helpful reading, now properly acknowledged, from the silly typoes now corrected to the foundational issues, on which let’s initiate a discussion.
(BTW I didn’t succeed yet to replace the old version with the new one, so in the time being please ignore the old one and address only this version: https://ijqf.org/wp-content/uploads/2015/07/Elitzur-IJQF-paper-2.pdf)
Now to your main question. Although Cramer’s seminal 1986 paper was strongly Block-Universe, he himself has somewhat shifted towards a more daring (and admittedly more speculative) endorsement of “Becoming” – see http://arxiv.org/pdf/1503.00039. This is precisely our view: The Einstein-Minkowski spacetime is not a complete description of time! There my be another parameter (your “metatime” if you like) that allows history to be “re-written.” Yes this may entail logical loops, endless such times, etc., which is why most people don’t want to go there. But I think that this is a step worth taking. A new, fully relativistic quantum mechanics may emerge from it, rigorous and even offering new predictions.
Time will tell.
Loving regards from your niece,