The Fed’s “quantitative easing” (QE2) a second round of experimental monetary policy in which the Fed buys long-term government bonds and other assets, is designed to bring down interest rates, spur lending and borrowing, reduce unemployment, and reignite the economy. Whether it will do that remains to be seen. “But it has already worked in one significant way: the speculative juices of the markets are flowing,” according to Jesse Eisinger’s New York Times Dealbook blog, “Where the Bubbles Are.”