linda killian, thank you for being with us. >> thanks for having me, judy. >> woodruff: who are these inspects? we heard andy kohut say they are 38 of the electorate. tell us who they are in terms of age, gender, income level. >> well, they're very diverse. since it's a larger group than either democrats or republicans you can imagine they are very diverse. they're all over the country. obviously they matter more when they're in swing states, battleground states. i talked about four: colorado, ohio, new hampshire and virginia which will be at the key of this election and in reviewing hundreds of swing voters, independent voters around the country, i identified four key constituenciesconstituencies: n. these what la what we used to call rockefeller republicans. socially liberal, fiscally conservative. america-first democrats. we used to call those rig tkpwapb democrats. these would be voters like those in wisconsin. 18% of the voters who voted for scott walker said they intend to vote for barack obama. big chunk of these conservative democratic voters. young voters. i call them the fac