to i mean, the job she s done is horrible. clinton unfazed and unafraid to take on trump. his bigotry, his bluster, his bullying have become his campaign. the front-runners still feuding. the last person that she wants to be running against is me. as trump dominates a new national poll with double digit leads on key shissues like the economy, isis and illegal immigration. and more than twice as much support as the next closest candidate ted cruz who is seizing on a controversy of his own. he s fund-raising off an editorial cartoon now retracted by the washington post showing his young daughters as dancing monkeys. fair game argues the cartoonist after cruz put his kids in a campaign ad. i ll use my own server and no one will be the wiser. if the media wants to attack and ridicule every republican, that s what they re going to do, but leave our kids alone. ben carson s support is slipping. and now new reports of a campaign shake-up.
campaign ad. i ll use my own server. if the media wants to attack and ridicule every republican, that s what they re going to do. but leave our kids alone. reporter: ben carson s support is slipping and now new reports of a campaign shake-up, carson telling nbc news he s streamlining some staff assignments, but insisting his senior aides will stick around and so will he. i m not a quitter by any stretch of the imagination. reporter: the next few days, all quiet on the campaign trail as candidates take their own christmas breaks. jeb bush doing last-minute shopping and considering what holiday cards he still might send. what if you sent donald trump a christmas card? what would it say? this time of year? i hope he has a wonderful time off. reporter: so even the candidates getting into a little bit of the holiday spirit. all of them down for the next couple of days. but back on the trail next week. donald trump will be hitting three early states in three days, iowa, new h
floor reporter: trump will not be the only challenge for ted cruz. senator marco rubio already calling him weak on national security. each time he s had to choose between strong national defense and some of the isolationist tendencies in american politics he seems to side with the isolationists. reporter: there are some candidates having problems as they walk into this stage into las vegas. mike huckabee suffering a campaign shake-up. his well-respected well-known communications director alice stewart announced today she is leaving that campaign. brianna? john berman, thank you so much. donald trump is already here in las vegas. he s getting ready to hold a rally tonight and cnn political reporter sarah marie is there for us. i think a lot of people are wondering if this cruz/trump sort of fight that we re seeing in the polls is going to play out on debate stage. what are you hearing? reporter: yeah. i think that s what everyone is
campaigns and the people who cover them and want to ask all the questions they want to ask without any limitations. yeah, kate, this has always been a tension. i ve been covering presidential politics going back to 2004. i can tell you, i ve received nasty and tough phone calls from democratic and republican presidential campaigns about the types of questions they ended up getting. they thought that somehow they didn t like the lightning round questions. they thought something was unfair. they didn t give enough time. those are constants in american presidential politics. what s unusual now is you have republican candidates who are saying, we re tired, we ve had enough, we re taking these things into our own hands. that s what s new. mark murray, thanks so much. thanks, kate. after a campaign shake-up and arguably a weak debate performance last week, jeb bush is looking to turn his campaign around. today bunching what he calls jeb can fix it, his tour in florida. i m tired of