Kimberly Rubio, mother of Uvalde student: What if the gunman never had access to an assault weapon?

Javier and Gloria Cazares, the parents of Jacklyn; Kimberly and Felix Rubio, the parents of Alexandria "Lexi”; and Angel Garza, the father of Amerie, were among the speakers at Wednesday’s March Fourth Rally, which included survivors of the Highland Park, Illinois mass shooting on July 4.