Businesses are hiring again and perhaps that means consumers will start buying again. After months of disappointment, the U.S. labor market showed signs of vigor in February as job growth accelerated and the unemployment rate fell for the third straight month. Nonfarm payrolls grew by a seasonally adjusted 192,000 in the month, the fastest pace since last May, the Labor Department said today. Moreover, the payrolls count in December and January was revised highe...