The message out of the G-7 was 'one of unity': Ex-US negotiator

Clete Willems, former top U.S. trade negotiator and partner at Akin Gump, says it is in Europe and Japan's self-interest to work with the U.S. when it comes to trade issues with China. He also says the instability in Hong Kong plays in favor of a U.S.-China trade deal in a "perverse sort of way."