How Bryan Cranston’s ‘Trumbo’ Whitewashes Stalinism

But as documents from the Soviet archives have revealed, McCarthy was largely right, even if not every last accusation he made was credible. Proof that Trumbo was a communist shill can be seen in the fact that he promoted his anti-war novel Johnny Got His Gun when the communists opposed American involvement in WW2, and then agreed to have it taken out of print when the communists began to favor American entry into the war.