Bay Area political events: Gun violence town hall, anti-racist classrooms Chronicle staff report FacebookTwitterEmail Upcoming political events in the Bay Area. Events take place online unless otherwise noted: THURSDAY Rep. Mark DeSaulnier: Concord Democrat holds town hall meeting on gun violence. 3 p.m. Submit a question in advance here; join meeting here. ‘The Purpose of Power’ book club: Black Lives Matter co-founder Alicia Garza discusses her book “The Purpose of Power.” Hosted by Manny’s. 5 p.m. More information is here. Eugenics: A discussion on the history of the eugenics movement in the U.S., featuring excerpts from the documentary “A Dangerous Idea: Eugenics, Genetics and the American Dream.” Hosted by the Asian Art Museum of San Francisco. 6:30 p.m. More information is here.