Why has labor participation hit a 38-year low?

Aired: 7/2/2015 | 0:05:16 | Clip
In June, the U.S. economy added 223,000 jobs and unemployment fell to its lowest rate in seven years. But the proportion of Americans working or looking for work is now the smallest it’s been in nearly four decades, and wages remain flat. For an in-depth outlook on employment, Judy Woodruff speaks to Harry Holzer of Georgetown University.