Most of the causes for last week's stock market drop are outside of the U.S. as most domestic economic news is promising and supportive. However another possible reason for the market's reactions is the future of U.S. monetary policy.The stock market opened today after a significant drop last week and a myriad of reporters and analysts looking for the reasons why. Most of the causes are outside of the U.S., which include the Middle East situation, the Russia/Ukraine conflict, Argentina's debt default and Portuguese banking problems. These problems, however, are not particularly new, unique, shocking or worse than they have been in the past. Meanwhile, the U.S. economic news is promising and supportive. Consider the following:

Real gross...