This is foolish. Anyone can have a bad day, including the clairvoyant HR. Don't build an interview panel around pleasing "that one gal"; that kind of situation happens enough by accident.
And if you have a bad day, tough. That's one job you won't be getting. No one ever said that life is fair.
No one is building a panel around pleasing anyone. If you have a member of your team who is particularly skilled in any area, it would be foolish to not take advantage of it.
