Mealey's (October 1, 2020, 2:33 PM EDT) -- WASHINGTON, D.C. — The Second Circuit U.S. Court of Appeals correctly found that President Donald J. Trump's blocking detractors from his Twitter account was a violation of the First Amendment to the U.S. Constitution, a free speech advocacy organization tells the U.S. Supreme Court in a Sept. 21 brief opposing the president's petition for certiorari, arguing that the account constitutes a public forum (Donald J. Trump, et al. v, Knight First Amendment Institute at Columbia University, et al., No. 20-197, U.S. Sup.)....