by Rachel Zarrow According to psychologist and author Mary L. Trump, child abuse is “the experience of ‘too much’ or ‘not enough’.” In her recent memoir of a similar name, Too Much and Never Enough, Mary Trump, the president’s niece, describes the multi-generational cycle of emotional abuse in the Trump family that contributed to the development of Donald Trump’s persona. In the prologue, she writes, “I have no problem calling Donald a narcissist—he meets all of the nine criteria as outlined in the Diagnostic and Statistical Manual of Mental Disorders (DSM-5)—but the label only gets us so far.” She speculates…