What to know about today's hearingFormer President Donald Trump attended a hearing in Florida today for his classified documents case. Judge Aileen Cannon heard arguments from Trump's team and special counsel Jack Smith's office on whether the charges against him should be dropped.Cannon appeared skeptical of Trump's lawyers' argument for dismissing the case based on the Presidential Records Act. Lawyers for Smith's office disputed that argument.Trump's lawyers also brought up the fact that former Secretary of State Hillary Clinton was never prosecuted for her use of a private email server. (The FBI found that Clinton never discussed any classified material in the emails on her private account.)Trump faces 40 criminal charges related to his alleged mishandling of classified documents, including conspiracy to obstruct justice and willful retention of national defense information.Trump and his co-defendants — valet Walt Nauta and Mar-a-Lago property manager Carlos De Oliveira — have pleaded not guilty to all charges and denied any wrongdoing.