I thought the book and the movie agree on that point. The book does go into how nervous Bonasera is after receiving the phone call from Tom calling in his favor to Vito
"After all, we are not communists"
Christopher Moltisanti: You ever think what a coincidence it is that Lou Gehrig died of Lou Gehrig's disease?
Tony Soprano: Yeah well, when you're married, you'll understand the importance of fresh produce.
