This transcript has been automatically generated and may not be 100% accurate.  ... Democratic presidential debate so far been pretty polite a fearsome compared to the Republican counterparts that may change on Sunday night ... in South Carolina on NBC when the next Democratic debate happens in ... threes Sanders and Hillary Clinton ... a go at each other for the first time since the really serious Perdue's Sanders rise in Iowa New Hampshire has ... changed the nature of this race and I think what you're you see is that a Tory Clinton has not wanted really do after Bernie Sanders insulin wanted to ... alienate his many and his enthusiastic supporters probably will feel it she has to do that she's been doing it ... enter certain annuity for more on the campaign in recent days so I think you to look for Hillary to go after ... Bernie Sanders on a couple of points one on health care ... that criticism is spending his health care program ... while it provides a list of the universal coverage is not really paid for ... it when I'm not throwing Obamacare with out something ... that would really take its place and would turn too much control over the States by the law to repel the governor should appreciate what the Democrats will do on healthcare ... secondly you hear alot I can control and the fact that the in the Aukland view of Bernie Sanders record control business strong Asher's ... and third you may hear her saying that thirty Sanders has broken his pledge not to go negative campaign ads ... by airing an ad that says essentially on tougher on Wall Street that other Democrats this name Hillary Clinton but the implication is clear ... to run through democratic visions for regulating ... one is isn't okay to take millions from Big banks and then tell them what to do ... I think for his part Senator Sanders is gonna come back to Hillary Clinton say you know me I'm tough on Wall Street Europe as soft on Wall Street you too cozy with Wall Street ... and by the way if you're not happy with my health care plants which are not really in favor of universal health care coverage for all of which is something I'm for which most Democrats want ... bottom line here is a citizen of think that sector one wants to go after Bernie Sanders I don't think anybody should doubt that she will if necessary ... will see on Sunday connoisseurs she thinks that is ...
Bernie Sanders's strong rise in the polls has changed the face of the Democratic race ahead of Sunday's debate. He is set to spar with Hillary Clinton on health care, Wall Street and guns. WSJ's Jerry Seib discusses how it may unfold. Photo: Getty