Hours before Donald Trump arrived at the Manhattan criminal courthouse Tuesday, hundreds of his most ardent supporters gathered at a park just across the street. The New York Young Republican Club had organized the protest, inviting Rep. Marjorie Taylor Greene (R-GA) and conservative influencers like Jack Posobiec to speak. The block-size park was sectioned into two parts — pro-Trump protesters on one side and anti-Trump on the other. The mainstream press had its own section, largely covered by tents and hidden behind a wall of television cameras. Between these barricades, protesters shouted at each other. “Y’all identify as some weird...