SPRINGFIELD — In response to the final report of Gov. Bruce Rauner’s criminal justice reform commission this week, some reform advocates believe the recommendations outlined could do more to address the segment of inmates and potential offenders in their late teens and early 20s.The governor created the commission in 2015 through an executive order to research ways to reduce the prison population by 25 percent in 10 years. Since then, the prison population has declined by roughly 10 percent.The final report …