In this era of low unemployment, employers are having a difficult time hiring and retaining skilled workers. In the health care sector, where lives are at stake, the hiring crunch is even more severe. Hospital administrators say the nursing shortage comes at a time when the population is growing older and the need for care is growing. Hospitals, Nursing Homes and Doctor's Offices all say the biggest workforce shortage is on the frontlines of medicine: Nurses. Minnesota Public Radio's Tom Scheck reports...