Biden Antitrust Pick Is an Expert on How to Break Up Big Tech

On Monday, Biden nominated Columbia Law School professor Lina Khan to join the Federal Trade Commission as one of its three Democratic commissioners. Khan has emerged in the past few years as one of the more prominent progressive voices advocating for aggressive antitrust action.

Khan will replace Rohit Chopra, who Biden has chosen to run the Consumer Financial Protection Bureau and who Khan worked for as a legal fellow in 2018. Over the past few years, Khan has served in increasingly prominent roles in antitrust debate and policy formation. She...