CHICAGO (Reuters) - Most Americans have an easier time naming members of the cartoon Simpson family than listing the five freedoms granted by the nation's founders, a survey by a museum released on Wednesday said. Here's a hint: one of them is not the right to own and raise pets, an error committed by one in five respondents. Half of 1,000 Americans randomly surveyed by the McCormick Tribune Freedom Museum could name at least two of the five members of Fox Television's Simpson family, the stars of the network's long-running show. But just 28 percent of respondents could name more...