WASHINGTON - The gravy train — make that the sausage, biscuits and gravy train — just kept on rolling in most of America last year, with 31 states showing an increase in obesity. Mississippi continued to lead the way. An estimated 29.5 percent of adults there are considered obese. That's an increase of 1.1 percentage points when compared with last year's report, which is compiled by Trust for America's Health, an advocacy group that promotes increased funding for public health programs. Meanwhile, Colorado remains the leanest state. About 16.9 percent of its adults are considered obese. That mark was also...