The old man wore slacks and a collared shirt and no tie and a sweater over the shirt and a sport coat over the sweater. He stood in a Lake County courtroom next to his equally presentable wife ready to face Associate Judge Joseph V. Salvi and take responsibility for his transgression. He was about 95 years old and was in for a speeding ticket. Here was a man, Salvi thought, ready for his day in court. It was the summer of 2013, about six months after Salvi joined the bench. He thought back to his judicial …