Several journalists erroneously tweeted that Stephen K. Bannon was found guilty of contempt of Congress in federal court in Washington, DC, on Thursday afternoon — before closing arguments in the trial. MSNBC’s Lawrence O’Donnell tweeted: “BANNON GUILTY.” His colleague Chris Hayes tweeted “Bannon found guilty,” citing a tweet by CBS News correspondent Scott MacFarlane, who was covering a different case. Kai Ryssdal of Marketplace warned others that they were getting the facts wrong: So, too, did Bannon biographer Joshua Green: O’Donnell apologized for spreading the misinformation about the verdict, as did Hayes, taking down their mistaken tweets: Others also apologized:...