It is a sporting and diplomatic moment nearly two decades in the making and carries significance well beyond the white lines marking Port Moresby's National Football Stadium.In early 2029, Jarome Luai, a four-time premiership player with the Penrith Panthers, a NSW Origin representative and Samoan international, will likely lead the PNG Chiefs onto the field in their first NRL match.For many rugby league-mad Papua New Guineans, having their team compete against the game's very best has been a long-held dream.But it is also a strategic statement made by Australia and Papua New Guinea.Jarome Luai is likely to lead the PNG…