The Block opens its doors to exhibitions addressing race, war, xenophobia, and community movements. Curator Janet Dees introduces “If You Remember, I’ll Remember;” artist Samantha Hill shares her work on the American South; curator Susy Bielak describes the partnerships involved in community-based practice; and professor Rebecca Zorach goes behind-the-scenes with “The Wall of Respect and Chicago’s Mural Movement.” Free lunch with registration.