"For Democrats, winning the House is not necessarily about advancing a major agenda of their own, it's about preventing the Republicans from advancing their agenda," explains Kyle Kondik, managing editor of Sabato's Crystal Ball at UVA’s Center for Politics. "The only things that would get passed is 'must-pass' legislation to deal with the debt ceiling or preventing a government shutdown. Democrats would pass a number of bills that would be messaging bills that would die in the Senate."