Campaigns Prepare For Highly Anticipated Debates

Wednesday, President Obama and former Gov. Mitt Romney will face each other on the same stage for the first time. It will be one of three opportunities before the election. It could be one of the last opportunities for the candidates to sway voters who haven't yet made up their mind. Host Rachel Martin talks with NPR's Scott Horsley and Ari Shapiro, who have been on the trail with the Romney and Obama campaigns.