Do speaker cables need a burn in period?

@geoffkait 
What is "data dogma"? I don't recall Feynman pointing to that as the cause of the Challenger wreck. The data was, in fact, abundantly clear. Challenger and Columbia were the results of very poor management decisions, pure and simple, and anybody familiar with the investigations would know that. Columbia shouldn't have stunned anybody given that it came back from the maiden flight beat to hell by garbage falling off the tank. 
Maybe you'd care to point to an actual example where the real numbers and engineering led to a false conclusion. Data doesn't produce dogma unless idiots look at it and presume it to mean things they don't understand. That's how you get theories on wire directionally and cable burn in. 

What!?!?!? No... Data comes FIRST. No technical challenge ever solved got solved without first defining the problem in technical terms using data. 

@stevecham 

Kaity has been peddling that snake oil for a long time with no proof. Somewhere somebody posted a link to a table that described variations in the directions of a fuse, but the deviations showed up out past a thousandth of an ohm, which I'm sure you're aware is completely insignificant. He also carries this nonsense over to caps claiming caps are directional because of the lead wires. Nevermind the fact outside foil always goes to ground... In his world the wire directionally rules the day. I've asked him how to make directionally correct printed circuit board. He's got nothing. He can't seem to explain why a wire passing an AC signal behaving like a diode is good either. 

I definitely don't believe in cable burn in. There is no technical basis for it. If there is.... show me the measurements!

If there are no instruments that can measure it, then it doesn't exist on account of the fact we have instruments than can measure the EM force half way across the universe. We certainly have instruments that measure with 100 times the resolving power of the best biological ear on the commercial market. So if you can hear it it can most definitely be measured. 

Certainly! It’s always the product of a certain sonic signature. How do you think sound bars replicate all kinds of spacial effects? They just synthesize the signature of various spacial effects. You people act like the only measurements that exist are frequency response and distortion. I’m not at all surprised such unsophisticated thinking provokes such unsophisticated questions and presumptions. The evidence already exists in the marketplace and production studios.

What's more, hearing something is hardly an explanation of the origin of a phenomenon. It's just as likely cable burn in is pure imagination.