Donald Trump: 'I'm never getting out'

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Washington (CNN)Republican front-runner Donald Trump has a message for his naysayers: "I'm never getting out."

The real estate mogul said he was amazed at the reaction when he said on CNBC recently that he'd drop out of the race if he tanked in the polls.
"The next day headlines: 'Trump considering maybe getting out,' it was so ridiculous," Trump said Friday on MSNBC's "Morning Joe."
So he decided to take a different tack to the panel's repeated questioning about his longevity in the campaign.
    "I'll give more of a political answer: I'm never getting out," he said to laughter.
    Trump also brushed off the idea that the Republican mainstream could find a way to take him out of contention late in the game if his poll numbers don't start to ebb on their own.
    "I just think it's very hard, and maybe I'm naïve to say this, but if I go around and win Iowa and win New Hampshire and win South Carolina and just keep winning, I don't see how they could do much," Trump said. "There'd be a revolution in the Republican Party if that (winning streak) happened."