From The Promontory: WED APR 19 2017 7:00 PM (6:30 PM DOORS) South Side Salsa presented by U of C Ballroom & Latin Dance Association & WHPK El Caobo Free The University of Chicago's  Ballroom and Latin Dance Association in association with the WHPK International Format and El Caobo Internacial present Southside Salsa. Experts, beginners, and…