The market has started to spin its wheels and that makes people nervous. I will lay out the red flags. I am not talking about the $18 trillion in government debt, the Fed's balance sheet, or the ticking time bomb of pensions, but trends that could arguably derail the stock market rally.Earnings are beating lowered estimates, but are yielding less than the twenty-year average. Sure, stock yields are attractive versus bond yields, but are they good enough to justify higher share prices? Here is the rub: consensus on earnings points lower and lower for this year, but it should reverse and...