With the fifth-largest population in the United States, Illinois is a top state for producing celebrities and entertainment. In science and technology news, Illinois universities are often cited as some of the most authoritative sources in the world. In political news, Illinois is noted for its positive reform policies and for launching the career of President Barack Obama. The economy of Illinois is frequently in the news for manufacturing, being the largest producer of soybeans (ethanol), and contributing to the travel world. Illinois is a center of cross-country transportation, and snowstorms in the state frequently make national news. Films set in Illinois include the Halloween horror series, Wayne’s World, and Natural Born Killers.