Depending on which show you are referring to, here are the most relevant "papers" or guides:
Season 4, Episode 21 is titled While not titled "The Last Word," it is famous for Captain Picard’s concluding monologue about freedom and vigilance. [S4E21] The Last Word
You can find a detailed review and analysis of its political relevance on Star Trek Forever or read about its iconic civil liberties speech . The West Wing Depending on which show you are referring to,
A comprehensive breakdown of the episode's intricate plot and political fallout is available at Keg of Glory . The Blacklist [S4E21] The Last Word