Mealey's (July 9, 2019, 1:39 PM EDT) -- NEW YORK — Because President Donald J. Trump uses his Twitter account “for all manner of official purposes,” a Second Circuit U.S. Court of Appeals panel on July 9 found that his decision to block certain social media users from his account due to their viewpoints violates the First Amendment to the U.S. Constitution, affirming a trial court’s ruling against the president (Knight First Amendment Institute at Columbia University, et al. v. Donald J. Trump, et al., No. 18-1691, 2nd Cir., 2019 U.S. App. LEXIS 20265)....