By Bob Brigham Yet another mass killer reportedly threatened misogynistic violence after being sexually rebuffed, according to a Friday evening report by CNN on the Uvalde school shooting massacre. “Salvador Ramos told girls he would rape them, showed off a rifle he bought, and threatened to shoot up schools in livestreams on the social media app Yubo, according to several users who witnessed the threats in recent weeks,” CNN reported. “But those users — all teens — told CNN that they didn’t take him seriously until they saw the news that Ramos had gunned down 19 children and two adults at a…