What is an Unfair Question?

A question lacking content, asked only to embarrass or disconcert a witness, i.e., A question not in accord with an attorney's professional standards.

Lawyer's Tricks or Chicanery

Actions used to surprise, deceive or outwit a witness E.g., Asking "rapid-fire" questions, subterfuge, etc.

How do lawyers use subterfuge?

Two common examples are: