look at this face. >> karcarly fiorina super pack out with a new web ad trying to use trump's own words against him after he made a comment about her face. >> this is the face of a 61-year-old woman. i am proud of every year and every wrinkle. >> reporter: trump's campaign manager firing back against super pacs, not the substance of the original attack from his boss. >> this is the problem with the dark money involved in politics right now. know jeb bush has $100 million sitting in a super pac. i'm sure the vast majority is going to come and go after mr. trump because jeb is 8% or less in the last poll. >> i'm working hard. >> reporter: not just jeb bush. he and much of the republican field crowded the bottom of the polls in single digits hoping to break outen wednesday night. so many of these republican candidates are trying to use this debate to jump-start their own candidacies. they're doing their own strategies to go after the