On Thursday, Fox News's Charles Payne asked Ben Carson about the ongoing feud between Donald Trump, who Carson has endorsed, and Ted Cruz, over Cruz's wife.

Carson said, "there's plenty of sleaze in the political world," and people have come to accept that, though he hopes to help change that.

Payne asked Carson about a tweet Trump re-tweeted that insulted Cruz's wife.

Carson replied, "I understand that he's doing what has become popular in America—you know, tweeting and being nasty." He went on to condemn the culture, not Trump.