WASHINGTON - The nation's unemployment rate bolted to 7.2 percent in December, the highest level in 16 years, as nervous employers slashed 524,000 jobs. The labor market is expected to remain weak as mass layoffs continue.

WASHINGTON - The nation's unemployment rate bolted to 7.2 percent in December, the highest level in 16 years, as nervous employers slashed 524,000 jobs. The labor market is expected to remain weak as mass layoffs continue.