Thousands of fans are threatening to boycott the opening match of the World Cup amid a dispute over stadium access. Owners of executive boxes at the Azteca Stadium in Mexico City say they have faced severe restrictions on selling their seats and supplying food and drinks to those attending the tournament opener between Mexico and South Africa and subsequent matches. Over 15,000 seats in the recently revamped 87,000-capacity venue are affected. The problem stems from FIFA's demand to take full