Many have characterized her style as “cold.” The cackle has several elements, some of which have been mentioned above. She wants the cackle to change the public’s image of her as lacking in the qualities that endeared Bubba to a segment of the public. She is trying to humanize herself in the public’s perception. Millions will fall for this casusistry. To think of listening to that kind of phoniness for 4 or 8 years is terrifying.
She’s exchanging “ya know” for the cackle.