https://www.cnbc.com/2018/04/10/facebook-ceo-zuckerberg-has-confident-he-will-prevent-2018-election-meddling.html

Facebook CEO Mark Zuckerberg said Tuesday he sees combating election interference as one of his "top priorities" this year.

The Facebook founder told senators the company's delay in identifying Russian efforts to interfere in the 2016 election is "one of [his] biggest regrets in running the company." Zuckerberg said methods to spread political misinformation will keep evolving.