My copy was handed down to me by my father, who was himself a rabid anti-communist as many folks who both witnessed and suffered the ravages of the Russian revolution first hand tended to be! My dad was Russian born and a distant relative of the Czar.
This book documented that McCarthy often ran around DC with a bottle of Scotch in his battered old briefcase. Now, just because somebody has a drinking problem, I don't feel their life's work can be automatically invalidated.