> Theoretical physicists are, on the whole, not a silly bunch ... at least until the workday ends. My own feeling is that it's obviously local if you consider

> Theoretical physicists are, on the whole, not a silly bunch ... at least until the workday ends. My own feeling is that it's obviously local if you consider that there really are virtual particles taking the non-critical paths. I know this is a bit interpretation-dependent though. GP may be interested to read e.g. https://en.m.wikipedia.org/wiki/Double-slit_experiment#Interpretations_of_the_experiment https://en.m.wikipedia.org/wiki/Double-slit_experiment#Inter... Of course the simple way around this issue is the best: "shut up and calculate".