Trade, technology and security at risk in US-China feud

They have the largest economies in the world. They spend more than anyone else on their militaries. From high-tech chips to control of the high seas, their interests are closely intertwined.

The ongoing sharp deterioration in U.S.-China ties poses risks to both countries and the rest of the world. In the latest escalation, a U.S. consulate in Chengdu in southwestern China shuttered Monday, ordered by China to close in retaliation for the U.S. shutting down its consulate in Houston last week.