WINONA, Minn. – The mother of a Winona Middle School student was cited for disorderly conduct after blowing up in the principal’s office. Cited was Keisha Verlynn Henderson, 41, of Winona. She had been summoned to discuss school discipline issues regarding her 12-year-old son. Shouting, profanities and vulgarities followed. “Very loud,” said students who could hear from the hallway. The mother was gone when police arrived about 10:35 a.m. They went to her home and ticketed her.