I was just playing Call of Duty: World at War campaign today, and I played through the mission: Heart of the Reich.
When you are pulled out of the flooded Subway near the Reichstag by Reznov, he lets you rest and looks at Private Chernov. Chernov is writing a book about the war. Reznov does not want Chernov to write the war, especially not during the hour of thier victory! (Russia was in the process of invading the Reichstag in Berlin). When he sees Chernov writing, he grabs the book out of his hand and says, "What do you think will lead us home? Writing about this war, or fighting it!? No one will ever read this! If you lack the stomach to kill for your country, at least show me you are willing to die for it!"
Well, later in that same mission, Chernov gets burnt to death by an enemy soldier holding a flamenwarfer (Something along those lines. It's a flame thrower that shoots out both flames, and tar to give a worse burn that a normal flamethrower would). After you kill them, soldiers rush into the Reichstag to finish off the nazi army once and for all. But not Reznov. He crouches down beside Chernov's body searches for the book he has been writing, takes it out of Chernov's burnt up coat and Reznov mumbles under his breath, "Somebody should read this..."
I was suprised. If you played Call of Duty World at War or Call of Duty Black Ops, Reznov was the violent, unforgiving good guy, who thought that the only way to truly get revenge was through death. I was suprised to see that he really did care for his soldiers. I never noticed that part until about 15 minutes ago when I played through that mission again.