Americans should be thrilled that Jamie Oliver has skipped the pond, but not everyone seems to be. After using one of his television series to reshape the school lunch program in the United Kingdom, the celebrity chef is coming stateside to help change what has been deemed the unhealthiest city in America, according to governmental surveys, in a new series on ABC called “Jamie Oliver’s Food Revolution.” Huntington, West Virginia (population 50,000) has an adult obesity rate of 50% and leads the nation in incidences of diabetes and heart disease.