Brazil is rushing ahead with big economic development plans. It will host the soccer World Cup later this year, and the Olympics two years later. But all that progress is challenging the traditions — even the way of life — of the country’s indigenous people.Brazil is rushing ahead with big economic development plans. It will host the soccer World Cup later this year, and the Olympics two years later. But all that progress is challenging the traditions — even the way of life — of the country’s indigenous people.