SPRINGFIELD — Lawyers for an Illinois man who was sentenced to 130 years for a murder when he was 16 years old are asking the U.S. Supreme Court to clarify how life sentences for juveniles should be reevaluated in light of recent U.S Supreme Court decisions against that practice.Ashanti Lusby’s lawyers petitioned the Supreme Court last month to hear Lusby’s case challenging his sentence as unconstitutional cruel and unusual punishment, based on two recent Supreme Court’s decisions, Miller v. Alabama in 2012 and Montgomery …