A state appeals court on Wednesday extended the same kind of prohibition on life sentences for juveniles to adult defendants with intellectual disabilities.In vacating the 50-year prison sentence of a 52-year-old man with an IQ between 55 and 65, the 1st District Appellate Court drew a bright line connecting a 2002 ban on executing individuals with intellectual disabilities to a series of U.S. and Illinois Supreme Court cases that have barred life sentences for juvenile defendants.The 1st District panel’s decision …