THE Tomas Francis imbroglio, the alarming behaviour of the England U20s back-room staff in Italy, the endless medical bulletins over Tom Curry and Sam Underhill – the issues thrown up by concussion appear to be eternal, and we all know the problem with eternity. It never ends.Neither does the rank stupidity of players who continue to hit high and then have the brass neck to look bemused when they are carded for making contact with an opponent’s head. What is so difficult, pray, about tackling around the legs rather than the windpipe? It was quite the fashion when yo...