Age limit a good start for response to school killings

Former President Donald Trump, Texas Sen. Ted Cruz and other elected so-called leaders say the answer to protecting innocent students and teachers from attack is to turn schools into fortresses. High perimeter fencing, every entrance door locked but one, metal detectors, cameras, hardened doors to classrooms, armed security guards. Sounds like a prison, not a school for young children to learn, play and enjoy.

And after speakers at last week’s National Rifle Association annual convention in Houston condemned the evil of the Uvalde school shooter who murdered 21 students and teachers in Texas o...