As news of sour banks loans rattled Wall Street, CNBC's Jim Cramer said the developments will pave the way for the Federal Reserve to lower interest rates — a move that investors across the board have been hoping for."Today got real ugly, but at least we finally have something that can make the Federal Reserve itchy to cut interest rates sooner rather than later: bank loans gone bad," he said. "Nothing motivates the Fed to move faster than credit losses, because they're a definitive sign that the economy is ...