A relatively unknown thirtysomething parachuted on to the national stage and into high political office. Energising to some of the Democratic base but lacking support from the party establishment. Not Zohran Mamdani but Lina Khan, who Joe Biden appointed to chair the Federal Trade Commission (FTC) in 2021 when she was just 32. Khan, who left her role at the FTC when Trump returned to the White House, is now one of five women appointed to the mayor-elect of New York’s transition team.

Khan is the most exciting pick for a few reasons. She entered the FTC with an ambitious mandate to........

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