'No idea what he's talking about': Mary Trump nails 'deeply ignorant' Trump NBC claim

After watching a clip of Donald Trump promising to eliminate birthright citizenship during an interview with NBC's Kristen Welker that was broadcast on Sunday morning, his niece, Mary Trump, shot down his argument on while appearing on MSNBC.

Speaking with fill-in host Charles Coleman Jr, the president's niece came right out of the gate claiming her uncle has no idea what is in the Constitution.

"Look, let's be very clear here –– it's despicable," she began. "Also, he doesn't know what he's talking about. I think that's the first time he's ever heard any part of the Constitution in his life."

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"He's a deeply ignorant, cruel man who seems to forget that his father was a first-generation American," she elaborated. "So, if it hadn't been for birthright citizenship, my grandfather probably wouldn't have been allowed to stay here."

"Obviously, the immigrants Donald hates are people of color," she accused. "What he also doesn't understand is the reason why we have the 14th Amendment was because we enslaved an entire race of people, and it was to ensure that after the Civil War was over and they were freed, they were, in short, protected by citizenship being conferred upon them. So, it's a power grab. I don't think there is any mechanism by which he can make it happen, but this is another instance in which we are in the unfortunate position of having to rely on Republicans to do the right thing and protect American citizens."

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