[contentcards url=”https://nypost.com/2023/05/25/left-wing-extremism-linked-to-psychopathy-narcissism-study/?utm_campaign=iphone_nyp&utm_source=mail_app”] By Alex Mitchell Left-wing extremism is linked to toxic, psychopathic tendencies and narcissism, according to a new study published to the peer-reviewed journal Current Psychology. “Based…