Story highlights Trump expanded on his policy proposal announced earlier in the day

"We have to do it," Trump said

Mount Pleasant, South Carolina (CNN) Donald Trump acknowledged Monday during a raucous South Carolina rally that his call for barring all Muslim foreigners from entering the United States is "probably not politically correct."

But he had three words for his critics: "I don't care."

And if his South Carolina rally -- with its whoops and cheers -- was any indication, that support will stick.

Six of eight Trump supporters at the rally who spoke with CNN said they supported the Muslim travel ban, which has drawn swift criticism from other Republican and Democratic presidential contenders alike who slammed the proposal as contrary to American values of religious tolerance. And the two supporters at the rally who disagreed said they were still likely to vote for Trump.

"I think that we should definitely disallow any Muslims from coming in. Any of them. The reason is simple: we can't identify what their attitude is," said 75-year-old Charlie Marzka of Myrtle Beach, South Carolina.

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