Too many Americans weigh more than is good for them. What else is new, right? We learned less than two weeks ago that rates of obesity worsened in 16 states last year, and not one state showed improvement. Now, the Centers for Disease Control and Prevention is out with the latest analysis of its own nationwide survey data, collected by telephone since 1984. The figures are just a little different, but the trend is all too familiar. In the CDC's survey, people reported their own height and weight. Colorado, once again, was the best, sort of. Twenty-one percent of people there fit the criteria for obesity. In the other report we wrote about, Colorado was the only state to squeak under 20 percent, with an obesity rate of 19.8%. Obesity rates were highest in Alabama, Mississippi and West Virginia. Obesity is defined as a body mass index of at least 30.