Al Pacino is still “haunted” by a childhood injury to his penis. The 84-year-old actor was around 10 years old when he went through “one of the most embarrassing experiences” of his life and still feels “squeamish” to tell the tale now. He wrote in his memoir ‘Sonny Boy’ in an extract obtained by People magazine: “I seemed to cheat death on a regular basis. “I was like a cat with many more than nine lives. I had more mishaps and accidents than I can count.” Recalling the uncomfortable incident, he wrote: “I was walking on a thin, iron fence, doing my tightrope dance. It had been raining all mo…