by Elizabeth Grossman
The news of increased hiring in the January jobs report has been greeted as a sign that the US might finally be emerging from the Great Recession. But a look at the kind of hiring that's been on the rise over the past few years raises important questions about the changing nature of the relationship between workers and employers - questions that have serious implications for occupational health and safety as well as workers' financial security.
Reports from the Bureau of Labor Statistics show that temporary employment is on the rise: In 2010 more than 27% of the 1.12…