President Trump has mobilized the vast resources of the Presidency in a hunt for proof of the conspiracy he says is arrayed against him.
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Let’s go to the source: Narcissism (narcissistic personality disorder/DSM-IV) is “A pervasive pattern of grandiosity (in fantasy or behaviour), need for admiration, and lack of empathy, beginning by early adulthood and present in a variety of contexts, as indicated by five (or more) of the following:

1. Has a grandiose sense of self-importance;

2. Is preoccupied with fantasies of unlimited access, power, brilliance, beauty, or ideal love;

3. Believes he or she is “special” and unique and can only be understood by, or should associate with, other special or high-status people (or institutions);

4. Requires excessive admiration;

5. Has a sense of entitlement;

6. Is interpersonally exploitative (takes advantage of others);

7. Lacks empathy;

8. Is often envious of others or believes others are envious of him or her;

9. Shows arrogant, haughty behaviours or attitudes.