Michael Cheika embarrassed at tackle confusion in Australia’s loss to Wales

• Cheika: ‘I am not sure I know the rules anymore’• Australia beaten 29-25 in World Cup pool gameMichael Cheika said that as a former player he was “embarrassed” at the confusion the crackdown on high tackles is causing in the World Cup after another match was held up by constant reviews on the big screen.Australia’s head coach was speaking after his side’s 29-25 defeat by Wales, which leaves them on course for the more difficult route to the final with England and New Zealand likely to stand in their way. Related: Australia's Will Genia and Bernard Foley wilt in Wales defeat | Oliver Trenchar…