Donald Trump developed a penchant for employing hyperbole and lying after watching his “high-functioning sociopath” father demean any members of the family who showed weakness, according to a new memoir by his niece.
In Too Much and Never Enough, Mary Trump describes her uncle as a bully and
```
Members Only
Login or create an account to continue
This article is available to registered BusinessDay readers. Please login if you already have an account, or create a new account to continue reading.
New to BusinessDay? Register now and start reading.
```