Robert twisted the electrons to say:
> Any PIS would be superfluous - all chariots go to Rome... Border
> controls, customs? Nah!

Surely it was just an early version of Schengen? :-) There where
plenty of border controls at the outside (eg: Hadrian's Wall) but
"free" movement within?
--
These opinions might not even be mine ...
Let alone connected with my employer ...