Comedian and Chicago native Bernie Mac died early Saturday morning from complications due to pneumonia, his publicist confirmed. Mac, 50, had been hospitalized for about a week at Northwestern Hospital, according to his spokeswoman. A few years ago, Mac disclosed that he suffered from sarcoidosis, a rare autoimmune disease that causes inflammation in tissue, most often in the lungs. The comic born Bernard Jeffrey McCullough could cut an imposing figure. He stood 6-foot-3, was built like a fullback and carri