How have Xicanx artists in California used political posters as a medium for social change over the decades?  Gilda Posada, associate curator at the Oakland Museum of California, talks with YR Media contributor Christian Romo to discuss “Calli: The Art of Xicanx Peoples,” an exhibit capturing the history of art activism, identity, and intersectionality through political posters and contemporary art installations.Adult ISH is produced by YR Media and brought to you by PRX’s Radiotopia. Be sure to follow all our socials @YRAdultISH!Show your support for Adult ISH with a five-star review on Spotify or Apple Podcasts, or by making a donation at: YRMedia.org/Donate. THANK YOU!