Calcutta Cup crucible can reveal real England and test Scotland resurgence | Robert Kitson

England’s winning run has not wholly banished doubts about their standing under Eddie Jones but the picture should be clearer after a keenly anticipated Murrayfield showdownSeveral lively debates are currently raging around English rugby. Some reckon the national team is starting to plateau and, despite a striking win-loss ratio under Eddie Jones, could be vulnerable to a chilly blast of reality at Murrayfield on Saturday. Others argue that is nonsense and insist world domination is immine