Seth Perlman/AP file; Ashlee Rezin Garcia/Sun-Times file SPRINGFIELD — State lawmakers say they’re close to introducing ethics legislation that they’re optimistic about passing before the end of session, a move that comes a day after the indictment of another associate of former Speaker Mike Madigan. Democrats had identified ethics reforms as one of their priorities months ago, but since then had said little about the issue publicly until former Madigan chief of staff Tim Mapes was charged with perjury and attempted obstruction of justice. That changed on Thursday — just days before t...