The past chairwoman of the Federal Election Commission has revealed that groups in Holland and Russia used ads and fake news to influence elections, and suggested it could be worse in 2020 when “most of the advertising” moves from TV to the unregulated internet and huge political sites.

Speaking at a “Future of Democracy” forum last week at the University of California at Berkeley, Democrat Ann Ravel, who just stepped down from the agency, also raised the possibility of regulating political speech and ads on Facebook and Twitter.