Blam! Kapow! Eat Your Peas!

Who says family values and numbing, mindless violence don't go together?

Picture this scene from a recent hit movie. It's night. A car idles at a railroad crossing, waiting for the train. Inside the car are a man and a woman. She's pregnant. She asks the man to feel her stomach--her baby is kicking. It's the kind of dewy moment that wouldn't be out of place in a financial-services commercial, or maybe one for tires.

But wait. Bam! The couple's car is rammed from behind by some bad guys in a van. They're trying to push the couple's car onto the tracks. Ding, ding, ding! The train is coming! Screech! The good...