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Donald Trump appears to be exhibiting many of the outward characteristics of Narcissistic Personalty Disorder (NPD). NPD is a defect in oneâs personality that manifests as an excessive mental preoccupation with oneself â usually to the detriment of everyone else.
Donald Trump Questions Barack Obama's Mental Health, Calls Him 'Psycho'. Donald Trump is at it again, taking to Twitter to question President Barack Obama's mental health over his handling of the Ebola crisis.