Homeland Security Secretary Kristi Noem said Tuesday that President Trump wants the U.S.-Mexico border wall to be painted black so that it would be too hot for migrants to climb over.

“Now, if you look at the structure that's behind me, it's tall, which makes it very, very difficult to climb, almost impossible. It also goes deep into the ground, which would make it very difficult, if not impossible, to dig under. And today, we are also going to be painting it black. That is specifically at the request of........

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