(After Sam learns the identity of a deceased Communist Spy)
Donna: It was people pushing paper around fifty years ago. Why does it matter?
Sam: It was high treason, and it mattered a great deal! This country is an idea, and one that's lit the world for two centuries and treason against that idea is not just a crime against the living! This ground holds the graves of people who died for it, who gave what Lincoln called the last full measure of devotion. Of fidelity. You understand the last full measure of devotion to... Treason against them is... [almost crying]