The West Wing - Season 02 - Episode 16 - Somebody's Going to Emergency, Somebody's Going to Jail

Sam finds out that his father was unfaithful to Sam's mother for 28 years. Sam tries to help a friend of Donna's whose dying father wants to see his own deceased father's reputation cleared of committing espionage during WWII. The National Security Advisor shows Sam a secret file conclusively proving that the grandfather was in fact a traitor. He does not reveal his finding to Donna's friend. Toby, who is a veteran of many effective protest marches, dutifully attends a disorderly anti-World Trade Organization rally at which the unruly mob refuses to listen to him. He finally makes a persuasive address. C.J. meets with crusading cartographers.