Her head is shaking, not especially up and down. Just shaking.
CM is much better than JB...I will give him that!! still don't like the condescending attitude he is using on witnesses though.
Thankgod for live CNN HLN has WAY too many commercials!
She is presenting expert opinion and it is not being objected to and the jury is hearing it so she must be recognized as an expert. Hope all is okay.