Senate Intelligence Committee Vice Chairman Sen. Mark Warner, D-Va., speaks with reporters on Capitol Hill in Washington, Wednesday, Sept. 27, 2017. President Donald Trump is calling Facebook &quot;anti-Trump.&quot; His tweet comes days after the social media company agreed to provide material to congressional investigators probing Russia interference in the 2016 election. (AP Photo/Pablo Martinez Monsivais) Photo: Pablo Martinez Monsivais, Associated Press