[Translated summary: A recent study conducted from Johns Hopkins University concluded that allowing people to carry hidden handguns on university campuses increases the risk of shootings, homicides and suicides. An FBI study found that, in 160 shootings, only once an armed civilian was able to intervene and stop it.] Un reciente reporte concluyó que permitir el uso de armas de fuego dentro de las escuelas y universidades puede convertirse en un verdadero... (GunPolicy.org)