China’s $3 trillion dilemma: What to do with all that cash? By Howard Schneider, Tuesday, April 19, 1:35 PM BEIJING — What to do with $3 trillion? Bail out the euro so Europeans can keep buying stuff? Lock up mineral rights around the world? Spend it on imports? Sock it away under a mattress — or in U.S. Treasury notes — and let the pile keep growing? In what amounted to an acknowledgment that some of the nation’s core economic policies are causing trouble, Chinese central bank governor Zhou Xiaochuan said this week that the country was, in effect, suffering...