The U.S. labor market has been adding jobs for two-and-a-half years, helping bring down the jobless rate from a peak of 10 percent in late 2009 to the current 8.1 percent rate. But recently, job growth has slowed to under 100,000 per month – not enough to keep the jobless rate on a downward path. Heidi Shierholz at the liberal Economic Policy Institute in Washington says this leaves the U.S. economy well short of achieving its full capacity: