china. this time canada is getting involved. beijing is furious after reports the u.s. and canada sent a warship into the strait. it threatens peace and security. the latest round of gunboat diplomacy comes after china's own shown of force. meantime, china's economy grew only 4.9% in the third quarter, its weakest expansion in a year. the country has been able to rebound from pandemic difficulties but seems to be losing steam amid a multitude of problems including supply chain issues, covid outbreaks and energy shortages. cnn's christi lu stout joins us live. what is behind china's weakest rate of expansion in a year? what impact could this have on the region and the world? >> reporter: global economic