This recovery continues to confound analysts.  Time and again it seems some extraneous episode negatively impacts GDP growth right as the economy is about to take off.  The Washington shutdown was the first such shock, followed by consecutive years of exceedingly harsh winter weather.  The strong dollar and weaker overseas economies are contributing to the current 1Q15 malaise.  And underlying all these one-off situations is the fundamentally different nature of this recovery.  Instead of a slowdown caused by the Federal Reserve raising i