The U.S. economy contracted in the first quarter, raising the question: Are we in a recession? Economic growth, as measured by the Gross Domestic Product, has to be negative for more than one quarter for a recession, according to the National Bureau of Economic Research, the nonprofit research group that officially calls recessions. According to the NBER: "A recession involves a significant decline in economic activity that is spread across the economy and lasts more than a few months." The NBER has not yet declared a recession. The current downturn also hasn't met an unofficial definition of recession, which is...