Wales lose Scott Williams and Hallam Amos from Rugby World Cup

• James Hook and Gareth Anscombe called up as replacements• Full-back Liam Williams out of Fiji game with concussionIf any proof were needed that Wales have changed profoundly in the eight years that Warren Gatland has been in charge, the sober reaction to Saturday’s victory over England at Twickenham provided it. What would before have been the cue for celebration and backslapping is now nothing more than another step climbed and the need to replace two more players has nothing to do with the squad staying grounded ahead of Thursday’s meeting with Fiji at the Millennium Stadium.The Wales atta…