WJLA ABC World News Now March 6, 2012
a win for rick santorum keeps his campaign hopes alive but a win for mitt romney means that for the rest of the republican field the end of the road might be near. rob and paula, back to you. >> thanks, karen. >> so a swing in ohio for romney but at the same time according to a poll the favorability rating is still low. >> amongst -- >> yes. amongst conservatives. >> that's been the problem, the perennial problem throughout the campaign. hasn't gotten those conservatives to rally around him yet. but we've also said that if it comes down to it those conservatives are going to vote for...