Is there a coverup going on about the police response to the Uvalde school massacre? While the 18-year-old shooter was inside a classroom with elementary students, some who had covered themselves in their classmates’ blood to hide and others who may have been bleeding to death, 19 cops refused to enter the classroom for 90 minutes. There were cops outside arresting parents who were trying to enter the school to save their children. There were cops inside the hallway. During this time, children were calling the police from inside the classroom. Texas law enforcement has said “oops. Our bad,” bu…