j. ann selzer: you would think. hazards these candidates face, now they are fighting for a share of a very small pie. i've got to go beyond that. the most are republican ever got was 40,000. not too far away. my point is that bar is not that high. if you could find 40,000 new voters. there are two ways. you can get more people. you can find the moderates that typically say, i'm not that excited about any of these candidates because they are talking to the christian right so i will stay home. it really is a candidate who can come in and match a they are with the iowans who are aligned with that. and it is a tough job. show up at this night on this time and support me. >> not only increasing the size of but changing the composition of the caucus on the democratic side. do you think there is any obvious republican candidate or candidates that have a capacity to do that? people trying to make the effort to do that here where you live. >> no. we are in an early stage. >> obama was doing it by may of 2007. >> the obvious