Instead of focusing on their philosophical and historical differences, American Catholics and Protestants should unite to confront common enemies who jeopardize their religious freedom, the director and producer of a new film about the Cold War argues.

What ultimately brought down the Soviet Union was not some natural process of osmosis, Robert Orlando explained in an interview. Despite its hostility to human freedom and its flawed economics, Russia’s Marxist-Leninist system had to be pushed and challenged internally and externally by men and women with strong Christian convictions, he told me.