Much of the public outcry over America's failure to generate jobs has focused lately on a surge in the outsourcing of work to China and India. But another dynamic closer to home is weighing on job creation -- the slow process of working through a glut of boom-era investment that continues to litter the economy with underused factories.

Who knew? Manufacturing and telecommunications have the same problem. (This is likely the root cause in US agriculture, as well.)

To sum up: three of five Americans are overweight. Three of five American industries are overcapacity.

What is the manufacturing equivalent of jogging?