Deceit and violence - these are the two forms of deliberate assault on human beings.

Much as being active in the antislavery movement of the last century involved more than not engaging in slavery oneself, so joining in an antiviolence movement has to go beyond opting for nonviolence in one's personal life. It calls for engaging in imaginative and forceful practices of nonviolent resistance to violence, including taking a stand toward entertainment violence.

Regardless of how often the appetite for entertainment violence becomes addictive, increased exposure does risk further desensitizing viewers. And the element of pleasure that they derive may lead them to regard violence as a more acceptable way of dealing with problems, and victimization as more tolerable so long as it befalls others, not themselves.

Psychologists have found that we are more likely, in looking back at our lives, to remember high points and dramatic shifts in far greater proportion than ongoing stretches of happiness or misery.

Empathy and fellow feeling form the very basis of morality. The capacities for empathy, for feeling responsibility toward others and for reaching out to help them can be stunted or undermined early on, depending on a child's experiences in the home and neighborhood. It becomes too easy to turn our backs on fellow human beings... to have 'compassion fatigue.' Technology, we are learning, is not neutral.

Are people the best judges of their own happiness, or outsiders? In defining happiness, should we think of entire lives or of shorter periods such as moments, days, or years? And to what extent are virtue and happiness linked?

Sitting too long in front of a screen proves both physically and psychologically debilitating, no matter how innocuous or even beneficial the programs may be.