MINNEAPOLIS (WCCO) — The South Carolina primary is just two days away. Republican Presidential candidates are hoping to sway voters from front-runner Donald Trump.

And one man not endorsing him is Pope Francis. The pope criticized Trump on Thursday for his pledge to build a wall on the U.S./Mexican border.

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Pope Francis said, “A person who thinks only about building walls and not of building bridges is not Christian.”

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Trump responded Thursday morning, saying “A religious leader questioning a person’s faith is disgraceful.”

A new CBS News national poll shows Trump with a 2-to-1 advantage over Ted Cruz. Rounding out the top five is Rubio, John Kasich and Ben Carson.

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For the Democrats, a new CNN poll shows Hillary Clinton with just a one point lead over Bernie Sanders ahead of the Nevada Caucuses.