As Donald Trump pleaded not guilty a bizarre carnival unfolded outside Mike Kelly

NEW YORK — Michael Picard stood in the chilly morning shadows of the Manhattan Criminal Courthouse on Tuesday, draped in an outfit he hoped would please his hero. “You have to wear the colors for Donald Trump,” Picard said, tugging at his red, white and blue knee-length overalls that he wore with no T-shirt. “I might catch a cold,” said Picard, 34, of Hartford, Connecticut. “But it’s worth it.” Politics is inevitably a game of messages. But it also can be a magnet for performances, sometimes artful and meaningful, sometimes funny, sometimes bizarre and ultimately confusing. On this day, with…