This Fourth of July week, three Democratic presidential hopefuls plan to visit Sioux City. Congressman Tim Ryan of Ohio spoke to a group of a few dozen Tuesday morning at Hardline Coffee in downtown Sioux City. His campaign focuses on educational fundamentals to improve the life and emotional well-being of young people in the country. “What do we have to do in the United States to be competitive, to lift people up to rebuild the middle class? Invest in our people to make sure that every one of