Conversation so far:
What controversy surrounds Jack White?
White was charged with misdemeanor aggravated assault.
Did he plead guilty to the charge?
He pleaded guilty to the lesser charge of assault and battery, was fined $750 (including court costs), and was sentenced to take anger management classes.

Question: Who was he accused of assaulting?
Self-contained rewrite: Who was Jack White accused of assaulting?