good morning, emory. >> reporter: rob and vinita, good morning to you. when barack obama ran for president, in 2008, the lines at his student events usually stretch as far as the eye that can see. that excitement translated into votes. tonight, president obama is going to return to those roots. he's holding a rally at the university of wisconsin, hoping to capture that excitement again. today, the president, who inspired young voters, with hope and change. >> we have given young people reason to believe. >> reporter: returns to his college rally roots, to convince those youth to vote again. >> you can't sit it out. you can't suddenly just check in once every ten years or so on an exciting presidential election. and then, not pay attention during big midterm elections when we've got a real big choice, between democrats and republicans. >> reporter: mr. obama's name isn't on the ballot this time. but his party's control of congress is on the line. and youth say there's simply they're motivated. just 55% of young people say they are certain to vote in novem