Take yourself back to the ending episode of M*A*S*H and you'll recall the moral scenario--there are enemy troops all around us. There are 30 of us on a bus and we need to be absolutely quiet in order to survive. You have your child in your arms and s/he will not be quiet. You have the choice--silence the baby (end its life) or allow everyone on the bus to get killed. What do you do?
Radiolab consistently has the most curiosity-driven, quality-produced, entertaining and thought-provoking episodes I've ever come across. Add the show to your podcast listening and catch up on previous broadcasts while driving.