World Business: Interview with Kassym-Jomart Tokayev

World Business: The former prime minister of Kazakhstan, Kassym-Jomart Tokayev was recently appointed to direct the European Headquarters of the United Nations in Geneva. The current speaker of the senate is the first person from Asia to take up this leading role. Eckart Sager caught up with Mr Tokayev in the capital, Astana and asked him about his mission in this new job. Reporter: Eckart Sager