OK, the temper tantrum thing is a lie.
She mentions "temper tantrum" at 0.17 to 0.21 in your linked vid and she does hair grooming.
She is lying.
https://www.verywellmind.com/how-to-tell-if-someone-is-lying-2795917
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Yes, she is lying and at the news conference today Pres. Trump asked a staffer, who was off camera, if the meeting with Cryin Chuck and Nanzi had been videotaped. The staffers reply was an audible yes.