Editorial: Big Tech still doesn't have a handle on its growing role in campaigns

Over the last year and a half, politicians and activists have spent more than $900 million pumping 5.7 million ads through Facebook's network. Is there any wonder the company is reluctant to crimp that pipeline?

In late September, Facebook took off one of the few restrictions it had placed on political advertisers, exempting candidates and political parties from the fact-checking process it had instituted to slow the virus-like spread of fake news on the platform. If President Trump wanted to run an ad saying he has proof that former Vice