A measure to extend legal protection to all juveniles facing police interrogation is working its way through the Illinois Senate.The original version of the concept, requiring police detainees under age 18 to have a lawyer before being questioned by police for certain crimes, has surfaced several times over the last decade. A version covering children under the age of 15 went into effect earlier this year.A revised version of Senate Bill 1265, sponsored by Sen. Patricia Van Pelt and approved by a Senate committee this week …