you basically to have win delegates every week that is left. i don't believe in a brokered convention but i think someone is going to gain. >> liz: you don't think its must win for santorum, he can continue on? >> he loses momentum. he may have lost his momentum off the debate last night. you get the momentum without an organization, without resources by winning. so if for some reason, he would get more money and keep going. at this point in time, romney does have that organization. he has that get out the vote effort and absentee ballots, nobody else has those resources. >> liz: we'll keep watching closely and i hope we can focus on the substance of the issues. >> coming up. brent bissel will break down all the different ways they put the