World Business Report - Rio Tinto interim profits halve in a year - ÃÛÑ¿´«Ã½ Sounds

World Business Report - Rio Tinto interim profits halve in a year - ÃÛÑ¿´«Ã½ Sounds
Rio Tinto interim profits halve in a year
We talk to Rio Tinto's new chief executive, Jean-Sebastien Jacques.