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You're saying. >> if you look at the polling right now he's at 4%. you know well on caucus night in iowa if you have less than 15% support in any one of these caucuses, that support goes away and those voters get to go vote for somebody else. well, if there's only a two-point difference in the p l polling right now, that 4% matters. >> well, right. but as you just pointed out, john, remember that's caucus site by caucus site that he has to meet that threshold, or his voters have to realign into another group. we're looking at a two-point race across the entire state. so i'd be careful about ov...

No matter what success they might have had diplomatically getting those sailors. >> and the apology they're running on iranian state tv as well. >>indeed. barbara star for us, interesting new details for us. many questions still remain. >> sure. it is game day once again, folks. republican presidential candidates taking to the debate stage for the first debate of 2016 facing off after weeks of attacks. counterattacks, punches, counterpunches, twitter feuds, the ad war heating up, the air waves -- i wish i could do that for a while longer. this time that trump-cruz bromance may be a thing of ...

Those guys are fighting tooth and nail to win new hampshire. and we have seen them going after each other on this stump and on the air waves. so you're going to want to watch there to see bho takes on each other within that establishment ring. all of them are angling to get on top once the race moves out of iowa and into new hampshire, john. >> sara, you've been following many of these campaigns. you've been following the trump campaign closely. do you think the bromance is over between those two? trump has made kind of routine he'll attack at a rally, and then it seems in debates trump kind o...

And she could get those people back on caucus night or they could go to bernie sanders or somebody else. >> time-out is not what you need right now. >> i don't think hillary clinton wants to give those voters a time-out. one of the interesting dynamics inside that poll is the shape in just who the voters are now supporting bernie sanders. because it's beginning to look a little bit like the coalition that barack obama built in 2008. >> john, it looks a lot like the %-p. bernie sanders beats hillary clinton in this poll with first-time caucus goers. barack obama killed with first-time ka kus go...