Delay, Deny and Deflect: How Facebook's Leaders Fought Through Crisis  New York TimesFacebook's Sandberg denies report that she ignored Russian activity on site and thwarted investigations  CNBCFacebook defends Russia response, updates plan to curb misbehavior  ReutersCommunity Standards Enforcement Report - Facebook Transparency Report  Facebook Transparency ReportSheryl Sandberg and the emptiness of leaning in  Washington PostFull coverage