This sort of inquiry has already been declared out-of-bounds by Hillary supporters even though scrutiny of potential health issues is usual with male candidates.
Large rimmed, very dark sunglasses are also a common means of hiding black eyes. Imagine a head injury, a black, very bruised eye, and you might have someone who has been beat on.
Take the timid walk around the lectern when the shoe was thrown, and you have a person who doesn’t have the awareness NOT to turn her BACK to an attack.
And then you have Bill who is very, very open in saying “terrible concussion...6 month recovery”
Of ALL people he would know better than to make such an admission in public. The only conclusion was that he knew what he was doing and did it anyway.
Let's see Hillary, alone, in a tough interview.
Let's see Hillary in a real debate to see how quick on her feet she is and how lucid she really is.
My guess is that Hillary may whither and succumb once the intensity and the pressure of any real campaign begins.