Easing eligibility rules would boost Samoa, says Tim Nanai-Williams

• Samoan urges following league’s example over dual-nationality players• League players not picked by tier-one nations can turn out for tier-two teamsTim Nanai-Williams believes Samoa could compete on an equal footing if rugby union’s authorities follow their league counterparts and introduce legislation that would allow his cousin Sonny Bill Williams potentially to play alongside him for the Pacific island side in the future.Last year rugby league’s eligibility rules were changed to free up players with dual nationality who were not picked by tier-one nations – Australia, New Zealand and Engl…