Life spans falling indicate that many struggle in the U.S. economy

On a panel discussion this month, economist Louis Johnston did not answer a question about American economic competitiveness as you might expect, such as by talking about productivity growth or trade policy.

"When I hear a question like that, my first reaction is always' compared to what? Said Johnston. "One of the things I think are really important is to ask basically,' How do we do things like life expectancy, ma....