The eyes of the rugby-loving world will be on New Zealand this spring as we host the 2011 Rugby World Cup, but while moderate drinking may be part of the event for many, agencies and sports leaders alike have serious concerns for those who will drink to excess and potentially become aggressive, obnoxious, violent and dangerously disoriented. Keri Welham asks how do you control a booze-fuelled sports crowd and what is being done to ensure this party doesn’t turn ugly?