Kentucky Sen. Rand Paul tied with establishment favorite Jeb Bush and surpassed former business executive Carly Fiorina in separate polls released this week. But he is still fielding questions about a potential departure from the Republican presidential field.

Appearing Saturday morning on CNN's "Smerconish," the Kentucky senator was asked to respond to speculations that he may not survive until the earliest nominating contest on Feb. 1 in Iowa.

"We're not getting out until someone votes," Paul told host Michael Smerconish.

"In fact, we think our fortunes are actually improving," he added.

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The libertarian-leaning senator recently completed a tour to nine different college campuses in the Hawkeye State and climbed to fifth place nationally in a CNN/ORC poll released Tuesday, putting him ahead of Fiorina and Texas Sen. Ted Cruz. And in a previous interview with the Washington Examiner, he emphasized the confidence he has in his campaign's ground operation in the earliest voting state.

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