Matt Yglesias, 5 different things people mean when they say we need to revive anti-trust:
Democrats are both united in their newfound interest in antitrust measures and also divided on exactly what a reinvigoration entails. That’s in part because at least five different ideas are floating around that often get mushed together under the same broad heading. These are both conceptually distinct notions with different economic implications and, critically, different paths to implementation.