Story highlights "I don't think it is good for anybody," Huckabee Sanders told CNN's Erin Burnett on "OutFront."

Huckabee Sanders, who joined Trump's campaign on Thursday, didn't criticize Trump's rhetoric

(CNN) Sarah Huckabee Sanders, the daughter of former presidential hopeful Mike Huckabee and Donald Trump's new senior adviser, said Friday that the increasingly negative tone in the Republican race for president is only helping Hillary Clinton.

"I don't think it is good for anybody," Huckabee Sanders told CNN's Erin Burnett on "OutFront" when asked about Trump and Florida Sen. Marco Rubio's rhetoric on the campaign trail. "I think it's unfortunate the nature of politics seems to create this type of tension. I think the person it ultimately and sadly ends up at times being good for is Hillary Clinton."

Trump and Rubio engaged in a war of words Friday, with Trump calling his opponent a "choker," "lightweight" and "clown," and Rubio labeling the billionaire as a "con artist."

JUST WATCHED Trump and Rubio trade nasty insults for hours Replay More Videos ... MUST WATCH Trump and Rubio trade nasty insults for hours 07:01

Huckabee Sanders, who joined Trump's campaign on Thursday , issued a passionate defense for Trump and his supporters.

"I keep hearing all these pundits and people from the media and other politicians talking about how bad Donald Trump is for America and, in particular, how bad people are that support Donald Trump. My thing is that they're not bad for America, they are America."

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