She made the same excuse in one of the prior debates.
This is deliberate and all part of “Operation Look at Me, I’m a Woman!”
Also advances that old “potty partty” thing. War on Women, dontcha know?
I suspect Clinton is sick and has major health problems.
She was in the hospital for a week as SOS for a stroke. There are rumors flying about her health.
That is what Trump is alluding to when he says she does not have the stamina or energy. Even when you look at her carefully you see she is struggling to hold it together.
Plus she is a pathological liar making things up during the debates and it is totally excused away.