In the absence of rigorous antitrust enforcement, the consumer internet has become too concentrated in a few dominant companies, creating easy targets for bad actors. There is a reason Congress did not have to investigate foreign meddling after the 2008 or 2012 elections. Back then the internet was still a diverse, decentralized network...This older form of online community building has largely been supplanted by tools provided by the dominant players... Google used to be the engine that drove the open web... Over time, Google’s philosophy shifted [to] making the internet less open and pluralistic than even a few years ago...Facebook’s...