Paul Kiparsky is giving two talks at the 52nd Chicago Language Society (CLS) at the University of Chicago from April 21 to 23. He will present a talk titled "Chain shifts" and, in collaboration with alum Alessandro Jaker (Ph.D. 2012), the talk "Conjugation tone mapping in Tetsǫ́t'ıné (Yellowknife): Level ordering and morphologization."