WASHINGTON ? The FBI is investigating the hanging death of a U.S. Census worker near a Kentucky cemetery, and a law enforcement official told The Associated Press the word 'fed" was scrawled on the dead man's chest. The body of Bill Sparkman, a 51-year-old part-time Census field worker and occasional teacher, was found Sept. 12 in a remote patch of the Daniel Boone National Forest in rural southeast Kentucky. The Census has suspended door-to-door interviews in rural Clay County, where the bod