Shaun Edwards promises to improve Wales’s defence against Argentina

• Edwards shoulders blame for Wales’s capitulation to Australia• ‘I am not happy with my own performance … I hold up my hands’Shaun Edwards has accepted responsibility for Wales’s collapse in the first half against Australia and is adamant there will be no repeat on Saturday when Argentina visit the Principality Stadium, where they scored 43 points against Ireland in last year’s World Cup quarter-final. Related: Australia’s Bernard Foley foils Wales’ aim to teach old dogs new tricks | Paul Rees Continue reading...