Dated: 2025-09-14. Added: 2025-09-16.

Ms. Khan, the former chair of the Federal Trade Commission, recently campaigned for the New York mayoral candidate Zohran Mamdani, appearing at his victory party in June after he won the Democratic primary. She has become a frequent podcast guest, talking about the virtues of corporate regulation and vigorous law enforcement against monopolies. This month, she returned to teaching at Columbia Law School, where 180 students have signed up for her antitrust class.