obama, team obama has been spending some significant time building their grassroots networks. >> if you talk to the romney campaign, they'll generally acknowledge that right now they're re-loying on the republican national committee to look to their general election strategy which assumes they're going to become the nominee. if you look at some of the states where he's had to struggle, in ohio he moved his staff on ward to the next place. colorado fell part for them. they didn't pay attention that they needed to there. that's what drove rick santorum. it's going to be interesting to see them try to transition what they have built. >> mitt romney's des moines office was then -- he moved out and then taken over by the obama campaign. >> obama's 12th office in ohio opened recently. he has 18 satellite offices in florida and expects to have 20,000 volunteers across the country. >> but you know, theoretically, a long primary season for the parties should allow you to organize your base a little bit