Transcript for NH Incumbent Senator Jeanne Shaheen Faces Off With Scott Brown
A lot more there. Politics now. Midterm elections, control of the senate and so much more at stake. I mod rate a debate in new Hampshire. Jeanne Shaheen being challenged by Scott brown. I asked how they would change the toxic politics in Washington that's turned off the voters. You asked what I'd do, I'll be that independent senator. Bring back that independent spirit. We need somebody who's going to work for New Hampshire every day putting this state first. That's what I will do. My opponent supported corporate special interests in Washington. Jon Karl for more. That disgust with Washington defining so many of these. That's right, George. It seems all the elements are in place for a big change election. The president is about at his lowest popularity ever. There is discontent with both parties in congress. Most people think the country is seriously on the wrong track. You have anxiety about the economy, terrorism, ebola. All the big names are out, both Obamas campaigning, Jeb bush, everybody who wants to run for president. They are trying to appeal to an elect rat fed up with everybody in power. And the biggest prize, control of the senate. The republicans need to pick up six states. Reporter: You have a dozen states with seriously tight races. Unfortunately for democrats most of them are seats controlled by democrats where republicans have a real chance of winning. So Nate silver of the five thirty-eight blog says republicans have a 68.5% chance the taking over the senate. That's been creeping up. And finally the president is campaigning again. But staying away from the tight senate races. Reporter: That's right. He's campaigning in reliable bleu democratic states, you won't see him standing next to a democratic candidate in a close senate race. Don't want him there. Much more Sunday on "This week"week. And be here with the team on Tuesday for full election coverage. Our primetime special at 10:00 P.M.
This transcript has been automatically generated and may not be 100% accurate.