China's switch from global creditor to debtor to raise huge questions

Since it entered the World Trade Organization almost 20 years ago, China has been the fastest-growing economy on the planet, in large part thanks to its exporting prowess and its vital role in global supply chains.

Apple employs a million people in China; driving across the Baosteel metallurgical plant takes a half an hour. No other country can replicate China's scale or its manufacturing ecosystem.