If you're in a consumer-facing business, this economic downturn has been brutal. The COVID-19 pandemic has destroyed travel and entertainment, retail, and millions of mom-and-pop businesses. Yet, when the Bureau of Economic Analysis (BEA) released its top line gross output earlier this week, it showed that the economy is more resilient than it looks. That's because the GO measures total spending at all stages of the supply chain, while the GDP only measures the final output; i.e., fini...