Well, CoreLogic is way off. All American homes are overvalued. How can we tell? It’s easy. It’s so easy it’s perhaps no wonder that people overlook the reasons why. But we all know them: The Fed has pushed some $20 trillion down the throats of the financial system. It has also lowered interest rates to near zero Kelvin. Then the government added a “relaxation” of lending standards and an upward tweak of credit scores….