James and Ellen Hubbell have filed a lawsuit alleging that the Terrace Hill Foundation was negligent in connection with a golf cart accident at a fundraiser last Halloween that injured Ellen Hubbell, DesMoinesRegister.com reports. The Hubbells are benefactors to the foundation, and their attorney said the foundation's insurance company requires a lawsuit in order to make a claim against the owner of the golf cart loaned to the foundation for the fundraising event.