SPRINGFIELD — A 32-year-old Illinois law that requires juveniles accused of the most serious crimes to be charged as adults may be discriminatory, prevents judges from exercising their judgment and makes it more likely that those who are convicted will commit violent crimes in the future, according to a study released Tuesday. The non-partisan Juvenile Justice Initiative reviewed 257 Cook County cases from 2010 to 2012 involving juveniles who were automatically charged as adults in accordance with the state law. …