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Is Donald Trump a clinical narcissist? Does he have a personality disorder? Is it ethical for mental health professionals to publicly diagnosis him without conducting an official assessment? GROUP tackles these questions and more with help from narcissism expert Professor Keith Campbell of the University of Georgia. We also hear from diagnosed narcissist and psychopath Sam Vaknin, author of "Malignant Self Love: Narcissism Revisited."

Here's a link to the Narcissistic Personality Inventory. Rebecca and Catherine both scored 11. Maybe they should work on their self-esteem and confidence levels? Ian scored a 16. He is self-admittedly a little grandiose. The national average is 15.5. Reality television stars average 19.5. United States presidents average around 22.

Featured Expert

W. Keith Campbell, Ph.D., Professor of Psychology at the University of Georgia, is a nationally recognized expert on narcissism, society and generational change. He the author of more than 100 scientific articles. His books include:

The Handbook of Narcissism and Narcissistic Personality Disorder: Theoretical Approaches, Empirical Findings, and Treatments (with Josh Miller)

The Narcissism Epidemic: Living in the Age of Entitlement (with Jean Twenge)

When You Love a Man Who Loves Himself: How to Deal with a One-way Relationship

Learn more about his work at