Back as defence coach with England, he’s adamant the lesson has been learned – to not underestimate an unimpressive looking Australian team. Heading into the 2003 semi-final in Sydney, Mitchell’s All Blacks would have enjoyed similar favouritism to what this week’s England team have in Oita. Stream the Rugby World Cup 2019 on KAYO SPORTS. Every match Live & On-Demand on your TV, computer, mobile or tablet. Get your 14 day free trial > John Mitchell admits he was too raw to lead the All Blacks in 2003.Source:Getty Images In both tournaments, Australia flattered to deceive in pool play. Yet 16 years ago they suddenly came alive, given belief by Stirling Mortlock’s early try before defending with their lives, allowing George Gregan to ultimately bellow “four more years” to his crestfallen opponents. Mitchell was axed and later admitted he was too raw to have held the post. After a varied string of coaching appointments, fate led the 55-year-old to join England head coach Eddie Jones as an assistant 12 months ago. The picture he has of innovative Australian teams remains, making it difficult to set up a foolproof defensive plan. “The first thing that we acknowledge is that the Wallabies…