We’re #1. In school shootings. Let’s protest together. Social Media, gunviolenceMargy HillmanMarch 28, 2023#school shootings #nashville #, #everytownforgunsafety, #bradycentertopreventgunviolence, #coalitiontostopgunviolence, #blacklivesmatter, #momsdemandactionforgunsenseinamerica, #sandyhookpromiseComment