Warren Gatland left with World Cup problem after Wales lose to Ireland

• Wales 21-35 Ireland• Wales reserves fail to rise to challenge as Ireland score five tries in CardiffWarren Gatland has spent the summer warning that the World Cup fate of Wales would not merely be a matter of how they deal with England and Australia. Five days after they meet the hosts at Twickenham on 26 September, they face Fiji in Cardiff and their passage to the knockout stage may hinge on the quality of their reserves.If not too much should be read into a warm-up match played when far more attention had been lavished in training on conditioning than rugby itself, Wales’s head coach was …