In a federal courtroom Wednesday, a judge weighed one of democracy's enduring tensions: the power of the executive to control its own house against the freedom of the press to witness power on behalf of the public. Three major news organizations — CNN, MSNBC, and Politico — have been barred from White House grounds, and their legal challenge has forced a reckoning with a constitutional question that has never been fully resolved. The outcome may determine not just whether these reporters regain their credentials, but how much authority any future president holds over the information citizens r