Texas mom marched after Parkland, then her town was next

School Shooting Texas Gun Debate
Christina Delgado, right, talks about the school shooting as her daughter, London, listens Sunday, May 20, 2018, in Santa Fe, Texas. Delgado watched in horror last week as the extreme gun violence she had marched to prevent arrived in her town. A gunman opened fire inside Santa Fe High School on Friday, killing 10 people.