It appears the Senate campaign of J. D. Hayworth has hit a bump in the road. A big one: Republican Senate challenger J. D. Hayworth appeared in a 2007 television infomercial in which he helped convince viewers that they could rake in big bucks by attending seminars that would teach them how to apply for federal grants that they wouldn’t have to pay back. National Grants Conferences, the Florida-based company that hosted the classes and produced the informercial, has faced criticism from multiple state attorneys general and Better Business Bureaus. Hayworth, a former Arizona congressman who is running against incumbent...