Biden repeatedly referred to the profound challenge China and its strongman leader pose to US influence, economic primacy and democracy in his joint address to Congress on Wednesday night. It’s not just a foreign policy issue — Biden tends to refract many domestic questions through a prism of China’s growing might and the need to build American competitiveness.
He ought to know. He’s probably spent more time with President Xi Jinping than any other American, after being tasked as vice president with building ties with the rising Chinese supremo. His claim to have racked up 17,000 air…