Wales regions want selection policy enforced by Warren Gatland

• Coach Gatland trying to work around Wales-only policy• Jamie Roberts could test agreement if he joins Harlequins• Wales can win Rugby World Cup, says Warren GatlandWales’s four regions are seeking assurances that the agreed selection policy for the national side will be enforced by Warren Gatland, who could face having to pick a weakened squad after the World Cup as a result.The regions were alarmed by last week’s statement from Gatland that unlike England, Wales did not have a hard-and-fast policy when it came to the selection of players who were based outside the country. The regions argue…