The American stock market is a decade into a rally that has seen broad indexes triple in value and generate 30 trillion in wealth. The unemployment rate is 3.8% nationally, and the early caucus and primary states of Iowa and New Hampshire are tied with even lower seasonally adjusted rates of 2.4%. Real annual growth in the gross domestic product was recently estimated at 2.9% for the U.S. in 2018, outpacing other developed economies such as those of Japan and Europe. Does this sound like a...