Cook County Circuit Judge Sebastian T. Patti, presiding judge of the court’s Domestic Violence Division, is headed west after spending more than two decades on the bench.Patti accepted a position as a federal immigration judge in Los Angeles starting next month, Chief Judge Timothy C. Evans announced Monday. He has served as presiding judge of the division since 2011.“I am very much looking forward to the future, but I am extremely reflective and thankful for the past,” he said in an interview.As someone …