Ex-New York City Mayor Rudy Giuliani revealed on Wednesday that he had a “very significant spiritual experience” while battling a “serious” case of pneumonia that caused him to slip into a coma. Giuliani, 81, shared details about the experience during his first broadcast of “America’s Mayor Live!” since he was hospitalized earlier this month — describing that his late lifelong friend and former top aide, Peter J. Powers, gave him an “intervention” during a dream. Ex-New York City Mayor Rudy Giuliani said on Wednesday that he had a “very, very spiritual experience” while battling a “serious” case of pneumonia. X/Rudy W. Giuliani “I also had a very, very significant spiritual experience at a time in which I was in a state of like … out of it. I would equate it to a dream of my being on line headed for, I can’t say headed for heaven, headed for a trial by St. Peter,” Giuliani described. “There was a very significant intervention by my Peter, I have my own Peter… Peter J.…