Let the spin start : The unemployment rate fell from 10.0 to 9.7 percent in January, and nonfarm payroll employment was essentially unchanged (-20,000), the U.S. Bureau of Labor Statistics reported today. Employment fell in construction and in transportation and warehousing, while temporary help services and retail trade added jobs. To the demographics of race: In January, unemployment rates for most major worker groups--adult men (10.0 percent), teenagers (26.4 percent), blacks (16.5 percent), and Hispanics (12.6 percent)--showed little change. The jobless rate for adult women fell to 7.9 percent, and the rate for whites declined to 8.7 percent. The jobless rate for Asians was 8.4 percent, not seasonally adjusted. And not to be forgotten, the discouraged and down: Among the marginally attached, there were 1.1 million discouraged workers in January, up from 734,000 a year earlier. (The data are not seasonally adjusted.) Discouraged workers are persons not currently...