By Peter Jackson - The man truly in the know

One weekend five summers ago, Wales went to No.1 in the rankings based on a mathematical formula which would have driven Archimedes, Aristotle and every other Greek geek round the bend.
The day after England turned up for the ritual money-spinner disguised as an off-season warm-up, the number-crunchers at World Rugby made the solemn announcement that the All Blacks had been knocked off their pedestal.
Kiwis the globe over had ample reason to shrug it off as a mistake, cocksure that the official correction would follow.
A few hours before England...