While the unemployment rate is a good barometer for the health of the American economy, it tells us only about people who are actively looking for work or filing unemployment claims. Broader measurements of the labor market documented by the federal Bureau of Labor Statistics are often left out of the headlines, like data showing "underemployment," which includes people not only out of work, but also people who are working part-time or fewer hours than they desire. NewsHour Weekend's Christopher Booker reports on how the often unnoticed under-employed are struggling to be part of the American workforce.