Greed - A Fatal Desire

Greed: Some call it a useful dowry of evolution, others a fault in the human genetic make-up. Why do people never feel like they have enough, where is this self-indulgence leading - and is there a way out of this vicious cycle of gratification?

"People like to have a lot of stuff because it gives them the feeling of living forever," says social psychologist Sheldon Solomon, who believes today's materialism and consumerism will have disastrous consequences. How much is enough?