Ms. Khan’s term as the chair of the Federal Trade Commission ended Wednesday. In a wide-ranging interview, she discussed her aggressive approach to antitrust and its critics. Khan, Lina, Federal Trade Commission, Antitrust Laws and Competition Issues, Mergers, Acquisitions and Divestitures, Regulation and Deregulation of Industry, United States Politics and Government, United States Economy Ms. Khan’s term as the chair of the Federal Trade Commission ended Wednesday. In a wide-ranging interview, she discussed her aggressive approach to antitrust and its critics. NYT > Business