When I wrote my original post I seriously considered adding the restriction to 'entangled spin states', but then decided not to. First, if confused more than c

When I wrote my original post I seriously considered adding the restriction to 'entangled spin states', but then decided not to. First, if confused more than clarified things. And second, I suspect the principle does apply to all forms of entanglement. Now if I could only prove that, I'd be on my way to Stockholm. :-)