Microchips are both important and in short supply. So how important? And what can be done to make them more plentiful? Also, what are the geopolitical implications of having the production of microchips concentrated in relatively few hands. Owen Bennett Jones talks microchips with Julian Kamasa of the Centre for Security Studies in Zurich.

Owen Bennett-Jones is a freelance journalist and writer. A former BBC correspondent and presenter he has been a resident foreign correspondent in Bucharest, Geneva, Islamabad, Hanoi and Beirut. He is recently wrote a history of the Bhutto dynasty which was published by Yale University Press.

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