Summary: If you add up all the U.S. currency out there, it's about $900 billion. But where is it? Economists Ken Rogoff and Richard Porter say a lot of it is overseas, and much of the missing currency helps people avoid paying taxes. The good news: It helps the economy. Plus: Money trader Will Aston-Reese gives the (improving, but still not great) view from his desk. And a laid-off worker wonders if she can get even a low-wage job.
