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Charles Krauthammer said Donald Trump's backtrack on punishing women getting abortions under a hypothetical ban is "disturbing" for what it reveals about the GOP frontrunner's "attitude towards the issues."

Krauthammer pointed to the moment when Trump said that a number of conservatives believe that women who get abortions should be punished.

He noted that Tony Perkins, president of the Family Research Council, said that isn't true of pro-life conservatives.

"Anybody who's been on this issue who knows the pro-life community, who knows what the arguments are and what people really believe, knows that is not true. That is not the position of anybody on the pro-life side. That is the position that the pro-choice people attribute -- this kind of hard-heartedness -- to the pro-life side. And that's apparently what Trump imbibed."

Krauthammer said that Trump's "lack of curiosity" is the problem, noting that the candidate also failed to learn more about the nuclear triad in an interval between debates.

Watch the commentary above.

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