If you are looking for help in Ames, you truly may have some trouble. The U.S. Bureau of Labor Statistics reported this week that Ames’ unemployment rate was the lowest among U.S. metros in November at 1.5 percent. Ames has had that distinction in the past on occasion. El Centro, Calif., and Yuma, Ariz., had the highest unemployment rates at 19.8 percent and 15.6 percent, respectively. Many economists consider 3 or 4 percent to be full employment. The adjusted U.S. rate in November was 3.9 percent. Iowa’s was 2.9 percent.