http://en.wikipedia.org/wiki/Narcissism

Characteristic
Self-confidence. An unrealistic sense of superiority (“Grandiose”)
Desire for power, wealth and admiration. Pursues power at all costs, lacks normal inhibitions in its pursuit
Relationships: Concerns limited to expressing socially appropriate response when convenient; devalues and exploits others without remorse
Ability to follow a consistent path: Lacks Values, Easily Bored Often Changes Course
Foundation: Traumatic childhood undercutting true sense of self-esteem and/or learning that he/she doesn't need to be considerate of others