When Chicago Mayor Lori E. Lightfoot received the 2019 Woman of Vision Award on Thursday, it was not lost on her that the room where she accepted the honor is a space that once barred women.The Stock Exchange Trading Room at the Art Institute of Chicago was built from preserved portions of the famous 1894 Adler & Sullivan-designed trading room demolished at 30 N. LaSalle St. in 1972.On Thursday, Lightfoot noted that there are still places where women are not welcome, even if they are not expressly forbidden.“We …