Dr. Rebecca Harding CEO, Coriolis Technologies  18th November 2019   The G20 foreign ministers will do well to brush up on game theory ahead of their meeting in Japan on 22nd November. Trade is now viewed as an integral part of national security: China and the US, and Russia, are using it as means to coerce, influence and dominate as they always have, but increasingly with a strategic focus. It has become the weapon of choice in a power struggle…