Hugo Chávez

Filmmaker Oliver Stone interviews Venezuela's Hugo Chávez, Brazil's Lula da Silva and other leaders, in an examination of social and political movements in South America.

From the food on our tables to the fuel in our cars, crude oil seeps invisibly into almost every part of our modern lives. Yet many of us have little idea of the incredible journey it has made to reach our petrol tanks and plastic bags from its origins millions of years ago.