Walt Nauta, aide to former president Donald Trump, disembarks Trump's airplane, known as Trump Force One, in Bedminster, New Jersey, following a court appearance at Wilkie D. Ferguson Jr. U.S. Courthouse in Miami, June 13, 2023.Jabin Botsford | The Washington Post | Getty ImagesWalt Nauta, former President Donald Trump's valet and co-defendant in the classified documents case, pleaded not guilty to six criminal charges Thursday at his arraignment in federal court.Nauta said little during the brief hearing before a federal magistrate judge in Miami. When asked if he had read the charges against him and if he was able to speak with a lawyer, Nauta replied, "Yes, your honor," NBC News reported.The arraignment lasted about five minutes.Nauta entered his plea more than three weeks after Trump pleaded not guilty to 37 criminal counts related to his alleged efforts to hold onto top secret documents after leaving the White House in 2021.The Navy veteran and aide to the former president appeare