More evidence of how vindictive, obsessive, and downright sinister Facebook is, now it appears to be monitoring private messages and suppressing material related to the whistleblower complaint of hero FBI special agent Steve Friend. After Friend’s bombshell revelations last week in a whistleblower complaint to the Department of Justice inspector general, his cause received an avalanche of public and private support, including from former FBI agents and conservative groups. As reported in this column, Friend’s complaint alleges that the FBI has been manipulating case-file management in order to falsely inflate the threat of domestic terrorism, and has been using unconstitutional...