All politicians are narcissistic. That is what drives them to be politicians. A non-narcissist doesn't stand a chance at being a politician.
Newt is far beyond the ordinary, garden variety narcissist [which technically isn’t a narcissist at all; the term is overly-broadly applied by people who have no idea what the Personality Disorder associated w it is fundamentally about]. He in part excused his infidelity by citing his ‘passion for the country’. When you are so narcissistic that you can even think of such an excuse, much less utter it in public, your narcissism rises beyond common misconceptions and into the realm of a full blown Personality Disorder.
Let me ask you this. If Weiner had in part blamed the tweeting of his erection on his “passion for the country”, how would you have responded? If you respond w a shrug, then you truly do not grasp this mental disorder.