How the NBA Finals and World Cup could combine for a commuting catastrophe

The World Cup in the US is a once-in-a-generation moment, a chance for the country to welcome the world to its shores for the greatest spectacle in sport.

​ The World Cup in the US is a once-in-a-generation moment, a chance for the country to welcome the world to its shores for the greatest spectacle in sport. Read More Breaking News, Latest News and Videos | CNN