SAN FRANCISCO, CA - MARCH 24, 2018: Pile of various discarded signs for the March for Our Lives rally in San Francisco. March for Our Lives sign in front. The rally was one of dozens nationwide that was sparked by the Stoneman Douglas school shootings. Si

SAN FRANCISCO, CA - MARCH 24, 2018: Pile of various discarded signs for the March for Our Lives rally in San Francisco. March for Our Lives sign in front. The rally was one of dozens nationwide that was sparked by the Stoneman Douglas school shootings. Si - 113620628