Republican presidential frontrunner Donald Trump was heavily criticized by his rivals on Sunday over his initial refusal to disavow an endorsement from David Duke, the former leader of the Ku Klux Klan, who announced his support for Trump late last week, while warning supporters against supporting any other candidates.
Trump responded to the news of Duke's endorsement by telling a press conference on Friday he "disavowed" it, but on Sunday, in an interview on CNN, he refused to do so again.
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