Protests erupt after DNC committee votes down 2020 climate debate
https://www.salon.com/2019/08/23/protests-erupt-after-dnc-committee-votes-down-2020-climate-debate/
"The committee's 8-17 vote on the resolution outraged members of the youth-led Sunrise Movement in attendance, who stood on their seats and sang the union protest song "Which Side Are You On?" before walking out".