House Republicans in NASCAR-friendly districts are having fun with this one, which plays to the stereotypes. In the course of a public-health and emergency preparedness trip, Democratic homeland-security committee staffers told their aides to get immunized before a trip down South which included visits to two crowded NASCAR events in Concord, N.C., and Talladega, Ala. The immunizations included Hepatitis A and B, tetanus, diphtheria and influenza. North Carolinians grew offended. Some cried "redneck rash," especially over the Hepatitis B inclusion because the virus is rarely transmitted in the United States except through sexual contact or intravenous drug use. A shot...