Rubio bashes Trump's profanity
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Marco RubioMarco Antonio RubioOvernight Defense: Tillerson, Trump deny report of rift | Tillerson says he never considered resigning | Trump expresses 'total confidence' in secretary | Rubio asks Army to kick out West Point grad Rubio asks Army to kick out West Point grad with pro-communist posts GOP establishment doubts Bannon’s primary powers MORE is taking direct shots at Donald TrumpDonald John TrumpIvanka Trump pens op-ed on kindergartners learning tech Bharara, Yates tamp down expectations Mueller will bring criminal charges Overnight Cybersecurity: Equifax security employee left after breach | Lawmakers float bill to reform warrantless surveillance | Intel leaders keeping collusion probe open MORE, blasting the GOP presidential front-runner's "profanity" in South Carolina after mostly shying away from criticizing him in other states.

Rubio started Thursday by knocking his top rival on policy, declaring, “Donald Trump has zero foreign policy experience. Negotiating a hotel deal in another country is not foreign policy experience."

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Minutes later, The Washington Post reports, he offered another dig at Trump: “Even in our political culture I teach my kids to be respectful. There are certain words you don’t say."

“You turn on the TV and a leading presidential candidate is saying profanity from a stage," Rubio said during the campaign stop in the Palmetto State, according to the Post. "Profanity from stage."

Sen. Ted CruzRafael (Ted) Edward CruzWhatever you think the Alabama special election means, you’re probably wrong This week: Congress gets ball rolling on tax reform Week ahead: Senators work toward deal to fix ObamaCare markets MORE (Texas) earlier this week ripped Trump for his "profane insult" after the businessman indirectly called Cruz a "pussy" at a campaign event on the eve of winning the New Hampshire primary. 

Rubio is seeking a comeback after finishing fifth in New Hampshire. That poor showing followed a disastrous debate performance over the weekend, which he has vowed to never repeat. 

On Thursday the Florida senator opened up attacks on Trump, Cruz and former Florida Gov. Jeb Bush on foreign policy as the group battles in South Carolina ahead of the Feb. 20 primary.