Yellen returns to China to tackle economic challenges bedeviling ties with US CNNUS Treasury Secretary Yellen meets foreign business leaders in China ahead of trade talks The HillBiden and Xi have first conversation since November summit The Associated PressExclusive | Janet Yellen Missed the First ‘China Shock.’ Can She Stop the Second? The Wall Street JournalYellen Starts China Tour With Warning on Factory ‘Overcapacity’ Bloomberg