She was not under oath, but that doesn't matter. They have laws regarding testifying to congress. She is required to tell the truth as if she was under oath in a regular court proceeding. Lying would be punishable.
She was not under oath, but that doesn't matter. They have laws regarding testifying to congress. She is required to tell the truth as if she was under oath in a regular court proceeding. Lying would be punishable.