https://www.theguardian.com/technology/2017/oct/12/sheryl-sandberg-facebook-owes-us-an-apology-over-russian-meddling

Facebook’s chief operating officer gave first live interview by a senior executive since the company disclosed it found some 3,000 politically divisive ads

Facebook owes the American people an apology for the way it handled Russia’s interference in last year’s presidential election, its chief operating officer said on Thursday.