Cook County Public Guardian Robert F. Harris is still trying to absorb the fact that people will soon start calling him “judge.”“When people say ‘future judge’ or ‘your future honor,’ I just break into a laughter,” he said. “I just go, ‘Oh yeah, that’s right. I’m doing this.’”The Illinois Supreme Court appointed Harris to the bench, effective Sept. 21, to fill the vacancy created when former Cook County judge Edward Washington II retired in …