Hard to say. Sometimes stories have elements of truth mixed with imagination. You'd have to research more about the background and the author's intentions to know for sure.
It's hard to say for sure. The truthfulness of such a story can depend on various factors like the source and the credibility of the information presented.
Yes, 'Ray Donovan' is inspired by real - life Hollywood fixers. These are people who are hired to deal with various problems for the rich and famous, like covering up scandals, handling legal issues discreetly, and managing the media perception of their clients.