AP - Republican presidential candidate Donald Trump is lashing out against his rivals, and again floating a potential third-party run in the lead-up to South Carolina's first-in-the-South primary.
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Trump told a local Republican club near Charleston that if his rivals are elected, "they will be totally controlled" by special interests.
Responding to negative ads against him, Trump called Texas Sen. Ted Cruz "the most dishonest guy I think I've ever met in politics."
"I think he's an unstable person," he added, later declaring: "He's nuts."
Trump is floating the idea of an independent run after accusing the Republican National Committee of giving too many GOP debates tickets to donors.
He said the pledge he signed in the past to support the GOP nominee was "a double-edged pledge," and the RNC isn't honoring its end.